{"query_echo":{"q":"","filters":{"climate_tags":["concrete"]},"warnings":[]},"total":{"value":17,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?climate_tags=concrete","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"tess-000006","url":"https://climateinsightsdirectory.org/document/tess-000006","title":"Reducing fragmentation and fostering interoperability in trade-related climate measures","publisher":{"name":"Forum on Trade, Environment, & the SDGs","organization":"forum-on-trade-environment-the-sdgs"},"document_type":"research paper","language":"en","date_published":"2026-06-22","source_url":"https://tessforum.org/latest/reducing-fragmentation-and-fostering-interoperability-in-trade-related-climate-measures","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The paper argues that fragmentation of trade-related climate measures (TrCMs) creates significant regulatory burdens, particularly for small and medium-sized enterprises in smaller economies. It distinguishes 'interoperability'—the ability to pass useful information between systems—from 'harmonization,' suggesting that focusing on the former allows governments to reduce trade barriers while preserving policy space. The author proposes several strategies to achieve this, including alignment with international standards like ISO 14067 and IPCC guidelines, adopting flexible information systems, focusing on high-impact sectoral products (e.g., steel, aluminium, and concrete), and utilizing a structured 'top-down' approach to collaboration based on a hierarchy of regulatory objectives and principles.","ai_generated":true,"unit":"tess-000006#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Fragmentation of trade-related climate measures (TrCMs) increases regulatory burdens for supply chain participants, which can act as a non-tariff barrier to trade and disproportionately disadvantage small and medium-sized enterprises and exporters from smaller domestic markets.","ai_generated":true,"unit":"tess-000006#insight-1","date_modified":"2026-10-23"},{"text":"Interoperability differs from harmonization in that it focuses on the ability to transfer useful information between systems without requiring the harmonization of all policy elements, such as emissions threshold values for 'clean' goods.","ai_generated":true,"unit":"tess-000006#insight-2","date_modified":"2026-10-23"},{"text":"Achieving interoperability for product embedded emissions requires the harmonization of specific technical elements, including emissions factors, greenhouse gases included, global warming factors, accounting boundaries, default values, allocation methods, and chain-of-custody models.","ai_generated":true,"unit":"tess-000006#insight-3","date_modified":"2026-10-23"},{"text":"To prevent further fragmentation, states should align new TrCMs with existing international standards, specifically the ISO 14067 Product Carbon Footprint Standard (currently being revised with the GHG Protocol) and the IPCC Emissions Accounting Guidelines.","ai_generated":true,"unit":"tess-000006#insight-4","date_modified":"2026-10-23"},{"text":"Sectoral and product-level approaches are most effective when targeting 'dual materiality' products—those significant for both climate and trade—such as steel, aluminium, and concrete, as they have lower accounting complexity and higher harmonization benefits.","ai_generated":true,"unit":"tess-000006#insight-5","date_modified":"2026-10-23"},{"text":"The author proposes a 'top-down' structured approach to collaboration to achieve interoperability, organizing harmonization into six levels: General Regulatory Objectives, Overarching Principles, Supporting Principles, Framework Structure, Framework Rules, and Product-Specific Rules.","ai_generated":true,"unit":"tess-000006#insight-6","date_modified":"2026-10-23"}],"climate_tags":["green industrial policy","embedded emissions","GHG Protocol","steel","aluminium","concrete"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["policy analysis","regulatory framework assessment"]},{"id":"rmi-000331","url":"https://climateinsightsdirectory.org/document/rmi-000331","title":"Foundations of Change: The Next Frontier of Cement and Concrete Innovation","publisher":{"name":"RMI","organization":"rmi"},"document_type":"report","language":"en","date_published":"2025-11-14","source_url":"https://rmi.org/resources/foundations-of-change-the-next-frontier-of-cement-and-concrete-innovation/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The cement and concrete sector accounts for nearly 8 percent of global carbon dioxide emissions, primarily due to clinker production. Decarbonization requires a three-pronged innovation approach: 'Make Less' (reducing demand through design and efficiency), 'Make Better' (improving existing processes via supplementary cementitious materials and carbon storage), and 'Make New' (developing disruptive, zero-clinker chemistries and electrified production). While near-zero emission cement currently represents less than 1 percent of the market, the report highlights that scaling these technologies requires overcoming fragmented markets, outdated prescriptive standards, and a significant funding gap, as the sector has received less than 1 percent of climate tech venture capital over the last five years.","ai_generated":true,"unit":"rmi-000331#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The cement and concrete industry is a major global emitter, with nearly 8 percent of global carbon dioxide emissions stemming from the sector. Approximately 88 percent of this carbon footprint is caused by the dual challenge of fossil fuel combustion and the chemical reaction involved in producing clinker.","ai_generated":true,"unit":"rmi-000331#insight-1","date_modified":"2026-10-23"},{"text":"There is a severe investment gap in the sector; while the World Economic Forum estimates a need for $1.4 trillion in cumulative investment through 2050 to reach net-zero, cement and concrete have received less than 1 percent of climate tech venture capital (approximately $1.4 billion of $205 billion) over the past five years.","ai_generated":true,"unit":"rmi-000331#insight-2","date_modified":"2026-10-23"},{"text":"The 'Make Less' strategy, focusing on smarter design, material efficiency, and recycling, could provide about 22 percent of the emissions reductions needed for net-zero by 2050. This includes using efficient mixes, extending building lifetimes, and employing AI-driven systems to optimize material use.","ai_generated":true,"unit":"rmi-000331#insight-3","date_modified":"2026-10-23"},{"text":"The 'Make Better' approach focuses on reducing clinker content through supplementary cementitious materials (SCMs) and carbon sequestration. Examples include using ground glass pozzolans to replace up to half of cement or integrating biochar-based additives to turn infrastructure into a long-term carbon sink.","ai_generated":true,"unit":"rmi-000331#insight-4","date_modified":"2026-10-23"},{"text":"The 'Make New' category involves disruptive technologies such as zero-clinker binders, geopolymer blocks, and electrified production. This includes plasma-based electric arc calciners and electrochemical processes that transform industrial wastes into binders without relying on fossil fuels.","ai_generated":true,"unit":"rmi-000331#insight-5","date_modified":"2026-10-23"},{"text":"Outdated prescriptive standards (such as ASTM) that define specific ingredients rather than material performance hinder the adoption of new technologies. The report advocates for Performance Specifications and Standards (PSS), which evaluate materials based on how they perform.","ai_generated":true,"unit":"rmi-000331#insight-6","date_modified":"2026-10-23"},{"text":"Carbon capture, utilization, and storage (CCUS) is identified as a necessary component for full decarbonization, with the potential to capture roughly 39 percent of cement sector emissions by 2050, provided the supporting infrastructure is developed.","ai_generated":true,"unit":"rmi-000331#insight-7","date_modified":"2026-10-23"}],"climate_tags":["cement","concrete","Industrial decarbonization","climate finance","circular economy","electrification","urbanization"],"geography_discussed":["People's Republic of China","India","Vietnam","United States","Africa","Europe","Germany","United Arab Emirates"],"frame_perspective":[],"analysis_type":["technology assessment","investment analysis","policy analysis"]},{"id":"earjust-002616","url":"https://climateinsightsdirectory.org/document/earjust-002616","title":"TESTIMONY OF LISA EVANS, SENIOR COUNSEL, EARTHJUSTICE BEFORE THE SUBCOMMITTEE ON ENERGY AND ENVIRONMENT, COMMITTEE ON ENERGY AND COMMERCE, U.S. HOUSE OF REPRESENTATIVES","publisher":{"name":"Earthjustice","organization":"earthjustice"},"document_type":"briefing","language":"en","date_published":"2025-06-26","source_url":"https://earthjustice.org/wp-content/uploads/2025/06/levans-ccr-testimony-6.25.25_.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document details the widespread groundwater contamination caused by coal ash at U.S. power plants, where 91 percent of plants exceed federal safe standards. It highlights the dangers of 'sham recycling'—specifically using coal ash as soil fill—and contrasts this with legitimate encapsulation in concrete and gypsum. The testimony criticizes the Trump administration's efforts to cede enforcement to states and weaken federal regulations, while providing evidence that 'closure by removal' of ash ponds leads to significant water quality improvements and economic benefits for local communities.","ai_generated":true,"unit":"earjust-002616#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Industry data indicates that 91 percent of U.S. coal plants are contaminating groundwater above federal safe standards, with arsenic being the most prevalent pollutant.","ai_generated":true,"unit":"earjust-002616#insight-1","date_modified":"2026-10-23"},{"text":"The use of coal ash as a substitute for soil (fill) is identified as a dangerous practice that contaminates drinking water and soil; for example, arsenic levels in residential soil in the Town of Pines, Indiana, were found to be more than 1,300 times the EPA's safe level.","ai_generated":true,"unit":"earjust-002616#insight-2","date_modified":"2026-10-23"},{"text":"The Trump administration is accused of undermining coal ash protections by attempting to cede authority to states and restricting enforcement to only 'imminent threats to human health,' effectively burying the National Enforcement and Compliance Initiative.","ai_generated":true,"unit":"earjust-002616#insight-3","date_modified":"2026-10-23"},{"text":"The 2024 Legacy Coal Ash Rule was created to address gaps in the 2015 rule, specifically targeting 'legacy ponds' at retired plants and onsite dry disposal units (CCRMUs) that were previously unregulated.","ai_generated":true,"unit":"earjust-002616#insight-4","date_modified":"2026-10-23"},{"text":"Legitimate recycling through encapsulation in concrete and gypsum is beneficial, but the volume is small; the American Coal Ash Association reports that recycling into encapsulated products is short of 40 percent of annual generation.","ai_generated":true,"unit":"earjust-002616#insight-5","date_modified":"2026-10-23"},{"text":"Extracting rare earth elements (REEs) from existing coal ash dumps is feasible, as 113 million tons of ash could generate nearly 9,000 tons of rare earth oxides, but the document argues that no new coal should be burned specifically to create ash for this purpose.","ai_generated":true,"unit":"earjust-002616#insight-6","date_modified":"2026-10-23"},{"text":"Closure by removal of coal ash is more effective and economically beneficial than capping waste in place; the clean closure of the Grainger Generating Station in South Carolina resulted in an estimated $67 million in additional GDP over eight years.","ai_generated":true,"unit":"earjust-002616#insight-7","date_modified":"2026-10-23"},{"text":"The EPA's proposed approval of North Dakota's coal ash permit program is argued to be illegal under the WIIN Act because the program is not 'at least as protective' as federal requirements and ignores existing permits that allow noncompliance.","ai_generated":true,"unit":"earjust-002616#insight-8","date_modified":"2026-10-23"}],"climate_tags":["coal-fired power station","environmental justice","concrete","carbon capture and storage","greenhouse gas emissions","water pollution"],"geography_discussed":["Indiana","North Carolina","South Carolina","North Dakota","Georgia","Puerto Rico","Maryland","Virginia","Kentucky"],"frame_perspective":[],"analysis_type":["policy analysis","environmental impact assessment","legal analysis"]},{"id":"rmi-000555","url":"https://climateinsightsdirectory.org/document/rmi-000555","title":"Advance Market Commitment Policy Brief","publisher":{"name":"RMI","organization":"rmi"},"document_type":"policy brief","language":"en","date_published":"2025-02-21","source_url":"https://rmi.org/resources/advance-market-commitment-policy-brief/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document argues that advance market commitments (AMCs) can catalyze the market for low-carbon concrete by aggregating public demand and unlocking private capital for clean manufacturing. It highlights that the cement industry contributes nearly 7% of global CO2 emissions and that in the US, infrastructure accounts for 46% of domestic concrete demand, making public procurement a critical lever for decarbonization.","ai_generated":true,"unit":"rmi-000555#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The cement industry is a major contributor to global warming, representing nearly 7 percent of all human-caused carbon dioxide emissions globally.","ai_generated":true,"unit":"rmi-000555#insight-1","date_modified":"2026-10-23"},{"text":"In the United States, public infrastructure projects drive a significant portion of concrete demand, accounting for 46 percent of the domestic requirement for concrete materials.","ai_generated":true,"unit":"rmi-000555#insight-2","date_modified":"2026-10-23"},{"text":"Advance market commitments (AMCs) function by aggregating demand to enable private sector investment in clean manufacturing processes, with significant potential for application at the state and city levels of public procurement.","ai_generated":true,"unit":"rmi-000555#insight-3","date_modified":"2026-10-23"}],"climate_tags":["concrete","government procurement","Industrial decarbonization"],"geography_discussed":["World"],"frame_perspective":[],"analysis_type":["policy analysis"]},{"id":"rmi-001107","url":"https://climateinsightsdirectory.org/document/rmi-001107","title":"Structuring Demand for Lower-Carbon Materials","publisher":{"name":"RMI","organization":"rmi"},"document_type":"report","language":"en","date_published":"2024-07","source_url":"https://rmi.org/app/uploads/dlm_uploads/2024/07/structuring_demand_for_lower_carbon_materials.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report examines the use of environmental attribute certificates (EACs) via a book and claim model to scale lower-carbon steel and concrete. It argues that this mechanism allows organizations to fund upstream decarbonization even when they cannot directly procure low-carbon materials. The authors identify critical infrastructure needs—including certification schemes, standards, registries, and reporting guidelines—and share lessons from a Microsoft pilot, noting that the market is currently in early stages with a lack of fit-for-purpose accounting methods.","ai_generated":true,"unit":"rmi-001107#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Steel and concrete are among the most emissive industrial sectors, together accounting for over 10% of global CO2 emissions and half of all heavy industrial emissions.","ai_generated":true,"unit":"rmi-001107#insight-1","date_modified":"2026-10-23"},{"text":"A book and claim system allows buyers to decouple the environmental attributes of a lower-carbon product from the physical material, enabling those without direct physical access to the product to fund and claim emissions reductions.","ai_generated":true,"unit":"rmi-001107#insight-2","date_modified":"2026-10-23"},{"text":"Book and claim certificates differ from carbon credits because they are linked to a specific physical product volume and correspond to a supply chain activity rather than an external offset.","ai_generated":true,"unit":"rmi-001107#insight-3","date_modified":"2026-10-23"},{"text":"To ensure high integrity, book and claim certificates must be evaluated against three foundational metrics: they must be verifiable by third parties, additional to business-as-usual scenarios, and catalytic for sector-wide technology transitions.","ai_generated":true,"unit":"rmi-001107#insight-4","date_modified":"2026-10-23"},{"text":"The report identifies four primary challenges to implementing book and claim in materials: the lack of a uniform product (especially in concrete), supply chain complexity and lack of visibility, the risk of double counting with Environmental Product Declarations (EPDs), and a lack of uniform accounting methods.","ai_generated":true,"unit":"rmi-001107#insight-5","date_modified":"2026-10-23"},{"text":"Robust market infrastructure for book and claim requires four integrated components: certification schemes to verify products, standards to define use cases, registries to track ownership and retirement, and reporting guidelines for climate disclosure.","ai_generated":true,"unit":"rmi-001107#insight-6","date_modified":"2026-10-23"},{"text":"Microsoft's pilot exploration revealed that the market is in early stages, with few available certificates meeting the required criteria and a significant need for a stronger collective demand signal to encourage supplier investment.","ai_generated":true,"unit":"rmi-001107#insight-7","date_modified":"2026-10-23"},{"text":"Current lower-carbon steel offerings often rely on high scrap fractions or 'internal carbon banks' that stack minor efficiency projects, neither of which are fully suitable for a high-integrity book and claim model without further evolution toward near-zero emissions ore-based production.","ai_generated":true,"unit":"rmi-001107#insight-8","date_modified":"2026-10-23"}],"climate_tags":["steel","concrete","cement","Scope 3","embedded emissions","decarbonization","green hydrogen","Sustainable Aviation Fuel"],"geography_discussed":["United States","North America"],"frame_perspective":[],"analysis_type":["market assessment","policy framework analysis","pilot study"]},{"id":"wri-000035","url":"https://climateinsightsdirectory.org/document/wri-000035","title":"5 Things to Know About Carbon Mineralization","publisher":{"name":"World Resources Institute","organization":"world-resources-institute"},"document_type":"fact sheet","language":"en","date_published":"2023-06-22","source_url":"https://www.wri.org/insights/carbon-mineralization-carbon-removal","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Carbon mineralization is a carbon dioxide removal (CDR) process that accelerates the reaction between CO2 and alkaline minerals in mafic or ultramafic rocks to create solid carbonates. The document outlines in-situ (subsurface) and ex-situ (surface) approaches, noting that while the process can permanently sequester CO2 and offer co-benefits like strengthening concrete or reducing ocean acidification, it faces challenges including high energy requirements for mining and grinding, potential heavy metal contamination, and a lack of standardized measurement and monitoring protocols.","ai_generated":true,"unit":"wri-000035#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Carbon mineralization is a process where CO2 reacts with alkaline minerals in mafic or ultramafic rocks—such as basalts and peridotites—to form solid carbonates that permanently sequester carbon. Naturally, this process removes approximately 0.3 billion metric tons of CO2 annually.","ai_generated":true,"unit":"wri-000035#insight-1","date_modified":"2026-10-23"},{"text":"With sufficient investment in research and testing, scientists estimate that accelerated carbon mineralization could remove up to 1 gigaton of CO2 per year globally by 2035, increasing to 10 gigatons per year by 2050.","ai_generated":true,"unit":"wri-000035#insight-2","date_modified":"2026-10-23"},{"text":"Carbon mineralization occurs via two primary pathways: in-situ (subsurface), which involves injecting CO2 into reactive rock formations like basalts, and ex-situ (surface), which uses crushed alkaline feedstocks such as mined rocks, mine tailings, or industrial waste.","ai_generated":true,"unit":"wri-000035#insight-3","date_modified":"2026-10-23"},{"text":"The process offers several co-benefits, including the production of stronger concrete with less cement, the extraction of critical minerals like nickel and cobalt from mine tailings, the neutralization of toxic asbestos tailings, and the reduction of local ocean acidification.","ai_generated":true,"unit":"wri-000035#insight-4","date_modified":"2026-10-23"},{"text":"Scaling carbon mineralization presents environmental and social risks, including the potential release of toxic metals like nickel and chromium into soils or oceans, high water consumption for certain in-situ methods, induced seismic activity, and the energy-intensive nature of mining and grinding alkaline materials.","ai_generated":true,"unit":"wri-000035#insight-5","date_modified":"2026-10-23"},{"text":"Widespread deployment is currently hindered by a lack of standardized measurement, reporting, and verification (MRV) protocols, as well as outdated geological mapping, such as USGS data on mines that has not been updated in ten years.","ai_generated":true,"unit":"wri-000035#insight-6","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide removal","carbon sequestration","concrete","ocean acidification","critical minerals","measurement, reporting, and verification"],"geography_discussed":["Iceland","United States","Poland"],"frame_perspective":[],"analysis_type":["technical overview","risk assessment"]},{"id":"cmw-000246","url":"https://climateinsightsdirectory.org/document/cmw-000246","title":"Plastering over the cracks: why cement and concrete are not carbon removals","publisher":{"name":"Carbon Market Watch","organization":"carbon-market-watch"},"document_type":"statement","language":"en","date_published":"2023-05-03","source_url":"https://carbonmarketwatch.org/2023/05/03/plastering-over-the-cracks-why-cement-and-concrete-are-not-carbon-removals/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"Carbon Market Watch critiques the European cement association's (Cembureau) claims that cement production and use can provide carbon removals. The author argues that proposed methods—including the use of sustainable biomass with CCS, enhanced carbonation, and natural carbonation—fail to meet the criteria for permanent and additional removals when full life-cycle assessments are considered. The document urges the EU to focus on proven removal techniques and industrial decarbonization strategies, such as reducing clinker-to-cement ratios and phasing out free pollution permits under the Emissions Trading System.","ai_generated":true,"unit":"cmw-000246#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The European cement association, Cembureau, proposes three methods for carbon removal: using sustainable biomass feedstock with emissions capture, enhanced carbonation (injecting atmospheric or biological carbon during production), and natural carbonation during the cement's lifetime if produced in a 'carbon neutral' way.","ai_generated":true,"unit":"cmw-000246#insight-1","date_modified":"2026-10-23"},{"text":"The use of biogenic feedstock as a long-term strategy is deemed unrealistic because biomass supply is expected to decrease due to soil degradation and diminishing crop yields, while demand is projected to double by 2050.","ai_generated":true,"unit":"cmw-000246#insight-2","date_modified":"2026-10-23"},{"text":"Carbon capture and storage (CCS) in the cement sector is criticized for its limited effectiveness and high energy cost, with modern installations reducing life-cycle emissions by only 40% while increasing energy use by up to 40%.","ai_generated":true,"unit":"cmw-000246#insight-3","date_modified":"2026-10-23"},{"text":"Natural carbonation is not considered an additional climate benefit because it occurs in all concrete structures and is viewed as a delayed emission reduction rather than a removal.","ai_generated":true,"unit":"cmw-000246#insight-4","date_modified":"2026-10-23"},{"text":"To achieve genuine decarbonization, the document suggests the cement sector should use low-carbon cement, reduce the clinker-to-cement ratio, adopt circular business models, and accelerate the phase-out of free pollution permits under the Emissions Trading System.","ai_generated":true,"unit":"cmw-000246#insight-5","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide removal","cement","concrete","carbon capture and storage","biomass","life cycle assessment","European Union Emission Trading Scheme 1","circular economy","Industrial decarbonization"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["policy critique"]},{"id":"rmi-000190","url":"https://climateinsightsdirectory.org/document/rmi-000190","title":"The Hidden Climate Impact of Residential Construction","publisher":{"name":"RMI","organization":"rmi"},"document_type":"report","language":"en","date_published":"2023-03-28","source_url":"https://rmi.org/resources/hidden-climate-impact-of-residential-construction/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"New home construction in the US generates over 50 million tons of embodied carbon emissions annually. Analysis of 921 model homes across the US, Canada, and Europe indicates average cradle-to-gate emissions of 184 kg CO2e/m2. Reductions of 30% to 50% are achievable using existing, cost-parity materials by targeting concrete, insulation, cladding, and interior surfaces, which comprise over 70% of total emissions. Further reductions up to 140% are possible through low-emitting and carbon-storing materials.","ai_generated":true,"unit":"rmi-000190#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"New residential construction in the United States produces more than 50 million tons of embodied carbon emissions every year, a volume comparable to the annual emissions of countries like Norway, Peru, and Sweden.","ai_generated":true,"unit":"rmi-000190#insight-1","date_modified":"2026-10-23"},{"text":"Based on data from 921 model homes in the US, Canada, and Europe, the average cradle-to-gate (CtG) embodied carbon emissions for new low-rise residential homes are approximately 184 kg CO2e/m2. For the US, where annual new construction is roughly 167 million m2, emissions from structure, enclosure, and partitions are estimated between 26 and 39 million tons CO2e annually.","ai_generated":true,"unit":"rmi-000190#insight-2","date_modified":"2026-10-23"},{"text":"Immediate emissions reductions of 30% to 50% can be achieved at cost parity using commercially available and code-compliant materials. These gains are primarily found by targeting concrete, insulation, cladding, and interior surfaces, which typically account for over 70% of total emissions in new home construction.","ai_generated":true,"unit":"rmi-000190#insight-3","date_modified":"2026-10-23"},{"text":"The potential for emissions reductions can reach 140% through the adoption of a comprehensive range of low-emitting substitute materials and carbon-storing materials currently entering the market.","ai_generated":true,"unit":"rmi-000190#insight-4","date_modified":"2026-10-23"}],"climate_tags":["embedded emissions","house-building","building material","concrete","insulation"],"geography_discussed":["Canada","Europe","Norway","Peru","Sweden","Bahrain","Denmark","Ireland"],"frame_perspective":[],"analysis_type":["assessment","quantitative analysis"]},{"id":"clibonds-000983","url":"https://climateinsightsdirectory.org/document/clibonds-000983","title":"Concrete policies to underpin the cement transition","publisher":{"name":"Climate Bonds Initiative","organization":"climate-bonds-initiative"},"document_type":"report","language":"en","date_published":"2023-03","source_url":"https://www.climatebonds.net/files/documents/publications/Concrete-policies-to-underpin-the-cement-transition.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The cement sector is a major industrial emitter, accounting for approximately 7% of global CO2 emissions and 4% of EU emissions. The report argues that the current decade is critical because 30% of EU cement kilns will reach the end of their life by 2030, presenting a window to avoid stranded assets by investing in low-carbon technologies. Key technical levers include reducing the clinker-to-cement ratio, implementing carbon capture and storage (CCS), and substituting fossil fuels with biomass and waste. To support this, the report recommends a comprehensive policy suite: upstream (accelerating renewable energy and CO2 infrastructure), midstream (implementing Carbon Contracts for Difference and phasing out ETS free allowances), and downstream (mandating green public procurement and scaling off-take agreements). It also highlights the role of sustainable finance, noting that while sustainability-linked bonds (SLBs) have been issued, their potential in the cement sector remains under-exploited due to a lack of sector-specific standards.","ai_generated":true,"unit":"clibonds-000983#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The cement industry is the second-largest industrial emitter globally, contributing approximately 7% of global CO2 emissions and around 4% of the EU's total CO2 emissions.","ai_generated":true,"unit":"clibonds-000983#insight-1","date_modified":"2026-10-23"},{"text":"A critical investment window exists before 2030, as 30% of EU cement kilns are expected to reach the end of their operational life and will require reinvestment.","ai_generated":true,"unit":"clibonds-000983#insight-2","date_modified":"2026-10-23"},{"text":"Decarbonisation of cement is uniquely dependent on Carbon Capture and Storage (CCS) because approximately 60% of direct emissions result from chemical reactions during clinker calcination rather than fuel combustion.","ai_generated":true,"unit":"clibonds-000983#insight-3","date_modified":"2026-10-23"},{"text":"Global capital spending to transition the cement industry could reach USD 70 billion annually between 2030 and 2040, with an additional USD 16 billion needed annually over business-as-usual investments to reach net zero.","ai_generated":true,"unit":"clibonds-000983#insight-4","date_modified":"2026-10-23"},{"text":"Sustainable finance instruments, specifically sustainability-linked bonds (SLBs), are under-utilised in the sector, representing less than 2% of all SLBs issued between 2020 and February 2023, with total issuances around USD 3.7 billion.","ai_generated":true,"unit":"clibonds-000983#insight-5","date_modified":"2026-10-23"},{"text":"The report recommends implementing Carbon Contracts for Difference (CCfDs) to provide long-term price stability and reduce investment risks for breakthrough decarbonisation technologies.","ai_generated":true,"unit":"clibonds-000983#insight-6","date_modified":"2026-10-23"},{"text":"To prevent carbon leakage and incentivise decarbonisation, the report suggests phasing out free EU Emissions Trading System (ETS) allowances for sectors covered by the Carbon Border Adjustment Mechanism (CBAM) by 2030.","ai_generated":true,"unit":"clibonds-000983#insight-7","date_modified":"2026-10-23"},{"text":"Green Public Procurement (GPP) is identified as a powerful demand lever, as public procurement accounts for up to 40% of global cement demand.","ai_generated":true,"unit":"clibonds-000983#insight-8","date_modified":"2026-10-23"}],"climate_tags":["cement","concrete","carbon capture and storage","carbon price","European Union Emission Trading Scheme 1","Carbon Border Adjustment Mechanism","sustainable procurement","sustainable finance","circular economy","renewable energy","Hard to abate sectors"],"geography_discussed":["United States","Germany","People's Republic of China","India","Italy","Norway","Sweden","Turkey"],"frame_perspective":[],"analysis_type":["policy analysis","financial assessment"]},{"id":"eesi-000003","url":"https://climateinsightsdirectory.org/document/eesi-000003","title":"The climate impacts of producing building materials, plastics, and food","publisher":{"name":"Environmental and Energy Study Institute","organization":"environmental-and-energy-study-institute"},"document_type":"briefing","language":"en","date_published":"2021-12-08","source_url":"https://www.eesi.org/briefings/view/120821waste","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document explores the climate impacts of carbon-intensive building materials like concrete and steel, emphasizing that while recycling is necessary, it is insufficient to address the scale of production-related emissions. Panelists advocate for a transition toward reuse, natural building materials, and circular business models to lower embodied emissions. Key policy recommendations include federal 'buy-clean' legislation requiring environmental product declarations (EPDs), expanded product stewardship to hold manufacturers responsible for the entire life cycle of products, and the creation of a national circular economy plan to coordinate goals across states and cities.","ai_generated":true,"unit":"eesi-000003#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Recycling is considered an insufficient solution for reducing carbon emissions because the majority of environmental impacts occur during the production of materials, and even a 100 percent recycling rate for municipal solid waste would only result in an incrementally small reduction in emissions.","ai_generated":true,"unit":"eesi-000003#insight-1","date_modified":"2026-10-23"},{"text":"The climate benefits of energy-efficient building insulation can be offset by the high global warming potential of the chemicals used in their manufacture, such as extruded polystyrene foam, which can take 30 to 40 years of energy savings to neutralize the initial material impact.","ai_generated":true,"unit":"eesi-000003#insight-2","date_modified":"2026-10-23"},{"text":"Circular business models, such as leasing roof structures, can reduce upfront construction costs and enable higher investment in energy efficiency while ensuring materials are returned to the manufacturer for reuse at the end of the building's life cycle.","ai_generated":true,"unit":"eesi-000003#insight-3","date_modified":"2026-10-23"},{"text":"To drive the market for low-carbon materials, the federal government should implement 'buy-clean' legislation requiring environmental product declarations (EPDs) and provide funding for the U.S. Environmental Protection Agency (EPA) to act as a public data repository for life cycle information.","ai_generated":true,"unit":"eesi-000003#insight-4","date_modified":"2026-10-23"}],"climate_tags":["embedded emissions","circular economy","building material","concrete","steel","energy efficiency","insulation","refrigerant","carbon sequestration","waste management"],"geography_discussed":["United States"],"frame_perspective":[],"analysis_type":["policy analysis","expert panel summary"]},{"id":"rmi-000995","url":"https://climateinsightsdirectory.org/document/rmi-000995","title":"Mix It Up Supplementary Cementitious Materials (SCMs)","publisher":{"name":"RMI","organization":"rmi"},"document_type":"guide","language":"en","date_published":"2021-07","source_url":"https://rmi.org/wp-content/uploads/2021/08/ConcreteGuide2.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document argues that substituting portland cement with SCMs—such as fly ash, ground glass, natural pozzolans, and blast furnace slag—is a cost-effective way to reduce the embodied carbon of concrete. It highlights that up to 40% substitution is possible in the US, potentially saving 27 Mt CO2e per year and reducing emissions for specific applications by up to 80%. However, it notes that supply for some SCMs is geographically constrained or declining due to the phase-out of coal power, suggesting the reclamation of stored fly ash and the use of natural pozzolans as viable future alternatives.","ai_generated":true,"unit":"rmi-000995#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Substituting cement with SCMs can lead to significant emissions reductions, potentially exceeding 80% for a given application, and could save 27 Mt CO2e per year across the United States based on a maximum substitution rate of 40%.","ai_generated":true,"unit":"rmi-000995#insight-1","date_modified":"2026-10-23"},{"text":"The use of SCMs can be cost-competitive, reducing the cost of cement blends by up to $45 per ton, although these savings are highly dependent on the proximity of the concrete producer to the SCM source due to transportation costs.","ai_generated":true,"unit":"rmi-000995#insight-2","date_modified":"2026-10-23"},{"text":"ASTM C595 establishes different substitution limits for materials: 15% for limestone, 40% for pozzolans, and 95% for ground granulated blast furnace slag (GGBFS).","ai_generated":true,"unit":"rmi-000995#insight-3","date_modified":"2026-10-23"},{"text":"The supply of GGBFS is severely limited geographically, with the remaining blast furnaces located in the Great Lakes region and an economic trucking distance of approximately 300 km.","ai_generated":true,"unit":"rmi-000995#insight-4","date_modified":"2026-10-23"},{"text":"While new fly ash production is declining as coal-fired power plants retire, there is a significant opportunity to reclaim approximately 600 Mt of fly ash stored in waste sites over the last 20 years, which could support the 40% substitution rate for 14 years.","ai_generated":true,"unit":"rmi-000995#insight-5","date_modified":"2026-10-23"},{"text":"Primary obstacles to the increased adoption of SCMs include prescriptive specifications, industry unfamiliarity with certain options like ground glass or natural pozzolans, and complex supply-side logistics.","ai_generated":true,"unit":"rmi-000995#insight-6","date_modified":"2026-10-23"}],"climate_tags":["embedded emissions","concrete","decarbonization"],"geography_discussed":["Great Lakes region","Colorado","New York","Pennsylvania","California","Nevada"],"frame_perspective":[],"analysis_type":["technical guide","market assessment"]},{"id":"sei-000330","url":"https://climateinsightsdirectory.org/document/sei-000330","title":"Green Public Procurement to Foster Industry Transition","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"policy brief","language":"en","date_published":"2021-06-01","source_url":"https://www.sei.org/publications/green-public-procurement-to-foster-industry-transition/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document argues that Green Public Procurement (GPP) can leverage the significant purchasing power of governments to stimulate demand for low-carbon materials in energy-intensive industries. It focuses on hard-to-abate sectors such as steel and cement, noting that five basic industrial materials account for 20% of global CO2 emissions. The brief, produced by UNIDO and the Leadership Group for Industry Transition, aims to provide methodologies for GPP design to help reach Paris Agreement targets.","ai_generated":true,"unit":"sei-000330#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Production of five primary industrial materials—steel, cement, plastic (and other chemicals), paper, and aluminium—is responsible for 20% of global CO2 emissions, with demand expected to rise as countries industrialize.","ai_generated":true,"unit":"sei-000330#insight-1","date_modified":"2026-10-23"},{"text":"Public procurement represents a substantial portion of economic activity, estimated at 14% of GDP in the European Union and up to 30% of GDP in developing countries, providing significant leverage to stimulate markets for low-carbon concrete and steel.","ai_generated":true,"unit":"sei-000330#insight-2","date_modified":"2026-10-23"},{"text":"GPP functions by using public purchasing power to reward businesses that develop products with lower environmental impacts throughout their life cycle, signaling a willingness to pay the 'green premium' for green commodities.","ai_generated":true,"unit":"sei-000330#insight-3","date_modified":"2026-10-23"}],"climate_tags":["sustainable procurement","Industrial decarbonization","Hard to abate sectors","steel","cement","concrete","aluminium","plastic","chemical substance","aviation","Paris Agreement"],"geography_discussed":["European Union"],"frame_perspective":[],"analysis_type":["policy analysis","guidance"]},{"id":"iisd-001320","url":"https://climateinsightsdirectory.org/document/iisd-001320","title":"Emission Omissions: Carbon accounting gaps in the built environment","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"report","language":"en","date_published":"2019-04","source_url":"https://www.iisd.org/system/files/publications/emission-omissions-es.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report argues that current LCAs for building materials often lack transparency and omit critical data, particularly regarding biogenic carbon in wood and operational emissions. It concludes that for energy-efficient, long-lived buildings in Canada, the choice of structural material has a negligible impact compared to operational efficiency, and recommends prioritizing building longevity and energy efficiency over material substitution.","ai_generated":true,"unit":"iisd-001320#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Life-cycle assessments (LCAs) for building materials often produce inconsistent results because assumptions and uncertainties are typically not fully disclosed, and sensitivity analyses are rarely performed to determine how these assumptions affect the outcomes.","ai_generated":true,"unit":"iisd-001320#insight-1","date_modified":"2026-10-23"},{"text":"Many LCAs overstate the importance of embodied emissions by ignoring operational stage emissions and other building systems, such as heating, ventilation, and site preparation.","ai_generated":true,"unit":"iisd-001320#insight-2","date_modified":"2026-10-23"},{"text":"Regional factors significantly influence life-cycle emissions; for instance, sourcing steel from Canadian electric arc furnace (EAF) mills can reduce embodied emissions by two to four times compared to basic oxygen furnace (BOF) mills or imports from China.","ai_generated":true,"unit":"iisd-001320#insight-3","date_modified":"2026-10-23"},{"text":"The accounting of biogenic carbon in wood products is a major source of uncertainty, as many LCAs assume carbon neutrality while ignoring soil disturbance, conversion of old-growth forests, and the fact that as little as 15 per cent of a tree's carbon may be sequestered in the final product.","ai_generated":true,"unit":"iisd-001320#insight-4","date_modified":"2026-10-23"},{"text":"Sensitivity analyses indicate that if factors like soil carbon loss, primary forest conversion, and a 90 per cent silvicultural success rate are considered, the cradle-to-gate emissions for wood buildings increase by 5 to 72 per cent, potentially making them higher than concrete buildings.","ai_generated":true,"unit":"iisd-001320#insight-5","date_modified":"2026-10-23"},{"text":"In the context of energy-efficient and long-service-life structures in Canada, the GHG impact of choosing one building material over another is negligible, meaning operational efficiency should be prioritized over embodied emission reductions.","ai_generated":true,"unit":"iisd-001320#insight-6","date_modified":"2026-10-23"}],"climate_tags":["life cycle assessment","embedded emissions","carbon sequestration","concrete","steel","forest management","energy efficiency","sustainable architecture"],"geography_discussed":["People's Republic of China"],"frame_perspective":[],"analysis_type":["methodological review","sensitivity analysis"]},{"id":"iisd-002810","url":"https://climateinsightsdirectory.org/document/iisd-002810","title":"Emission Omissions: Carbon accounting gaps in the built environment","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"report","language":"en","date_published":"2019-04","source_url":"https://www.iisd.org/sites/default/files/publications/emission-omissions-en.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report argues that current LCAs often produce variable results due to undisclosed assumptions and omissions, particularly regarding biogenic carbon in wood products. It emphasizes that building energy efficiency and longevity are the primary drivers of decarbonization, as operational emissions typically dominate the total life-cycle impact. The authors recommend greater transparency in LCA data, the development of a regionalized national life-cycle inventory for Canada, and a balanced policy approach that incentivizes decarbonization across all material manufacturing sectors rather than favoring one material over others.","ai_generated":true,"unit":"iisd-002810#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Life-cycle assessments (LCAs) of building materials exhibit high variability and a lack of standardization, often failing to disclose the assumptions and uncertainties that significantly influence their results.","ai_generated":true,"unit":"iisd-002810#insight-1","date_modified":"2026-10-23"},{"text":"Operational emissions typically dominate the total life-cycle GHG impact of buildings, often accounting for an average of 80% of emissions, which suggests that energy efficiency and building longevity should be prioritized over material substitution.","ai_generated":true,"unit":"iisd-002810#insight-2","date_modified":"2026-10-23"},{"text":"Many LCAs exaggerate the relative importance of embodied emissions by ignoring operational stage emissions and other building systems such as site preparation, heating, and ventilation.","ai_generated":true,"unit":"iisd-002810#insight-3","date_modified":"2026-10-23"},{"text":"The assumption of carbon neutrality for wood products is a major source of uncertainty; sensitivity analyses show that accounting for soil carbon loss, lower regeneration rates, and the conversion of natural forests can significantly increase the reported embodied emissions of wood buildings.","ai_generated":true,"unit":"iisd-002810#insight-4","date_modified":"2026-10-23"},{"text":"Regional variability significantly impacts embodied emissions, particularly for steel, where sourcing from electric arc furnace (EAF) mills using recycled feedstock can reduce emissions by a factor of two to four compared to basic oxygen furnace (BOF) mills or imports from China.","ai_generated":true,"unit":"iisd-002810#insight-5","date_modified":"2026-10-23"},{"text":"The carbonation of concrete, where CO2 is reabsorbed over time, is generally too small to significantly impact overall life-cycle emissions, likely reducing embodied emissions by only 3% to 6% under current practices.","ai_generated":true,"unit":"iisd-002810#insight-6","date_modified":"2026-10-23"},{"text":"Decarbonizing the built environment requires a combination of short-term measures (such as clinker substitution and alternative fuels in cement production) and long-term transformative technologies like carbon capture and storage (CCS) and hydrogen utilization in steelmaking.","ai_generated":true,"unit":"iisd-002810#insight-7","date_modified":"2026-10-23"}],"climate_tags":["life cycle assessment","embedded emissions","concrete","steel","carbon sequestration","energy efficiency","carbon capture and storage","forest management"],"geography_discussed":["People's Republic of China","Norway"],"frame_perspective":[],"analysis_type":["literature review","sensitivity analysis","policy analysis"]},{"id":"eninnova-000256","url":"https://climateinsightsdirectory.org/document/eninnova-000256","title":"CEMENT’S ROLE IN A CARBON-NEUTRAL FUTURE","publisher":{"name":"Energy Innovation","organization":"energy-innovation"},"document_type":"report","language":"en","date_published":"2018-11","source_url":"https://energyinnovation.org/wp-content/uploads/The-Role-of-Cement-in-a-Carbon-Neutral-Future.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Cement production accounts for 5.6% of global CO2 emissions, split between thermal fuel combustion (30-40%) and limestone calcination process emissions (60-70%). The report highlights that concrete naturally re-absorbs CO2 through carbonation, sequestering roughly 48% of process emissions over several decades. To reach carbon neutrality by 2050, the author models scenarios suggesting that capturing 80% of process emissions is sufficient if electricity is decarbonized, or 53% if thermal fuels are also fully decarbonized. Mitigation strategies discussed include energy efficiency, clinker substitution (reducing clinker content to 60%), and novel technologies from CarbonCure and Solidia.","ai_generated":true,"unit":"eninnova-000256#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Cement manufacturing is responsible for 5.6% of global CO2 emissions, with 30-40% originating from thermal fuels (mostly coal) and 60-70% from \"process emissions\" caused by the breakdown of limestone during calcination.","ai_generated":true,"unit":"eninnova-000256#insight-1","date_modified":"2026-10-23"},{"text":"Concrete naturally sequesters CO2 through a process called carbonation; globally, about one-third of process emissions are re-absorbed within two years, increasing to approximately 48% over several decades.","ai_generated":true,"unit":"eninnova-000256#insight-2","date_modified":"2026-10-23"},{"text":"Carbonation rates vary by region and concrete quality; for example, tests in Shenyang, China, showed carbonation penetration exceeding 10 mm within six months, partly due to poorer concrete quality compared to Western countries.","ai_generated":true,"unit":"eninnova-000256#insight-3","date_modified":"2026-10-23"},{"text":"Reducing the clinker-to-cement ratio is a key abatement strategy; while the global average is 78%, achieving a 60% clinker content by 2050 would reduce process emissions by 23%.","ai_generated":true,"unit":"eninnova-000256#insight-4","date_modified":"2026-10-23"},{"text":"CarbonCure technology reduces net CO2 emissions by 18 kg per cubic meter of concrete, primarily by increasing concrete strength and allowing for a 5% reduction in the amount of cement used in the mix.","ai_generated":true,"unit":"eninnova-000256#insight-5","date_modified":"2026-10-23"},{"text":"Solidia Technologies produces a non-hydraulic cement that reduces process emissions by 30% and thermal fuel use by up to 30%, while its concrete can sequester up to 300 kg of CO2 per ton of cement during a 24-hour curing process.","ai_generated":true,"unit":"eninnova-000256#insight-6","date_modified":"2026-10-23"},{"text":"Modeling indicates that if electricity is emissions-free by 2050, capturing 80% of process emissions is sufficient for carbon neutrality. If thermal fuel is also fully decarbonized, a capture rate of 53% achieves the same goal.","ai_generated":true,"unit":"eninnova-000256#insight-7","date_modified":"2026-10-23"}],"climate_tags":["cement","concrete","carbon capture and storage","energy efficiency","industrial emission","decarbonization","carbon neutrality"],"geography_discussed":["People's Republic of China","Slovakia","Paraguay","United States","Europe"],"frame_perspective":[],"analysis_type":["technical assessment","scenario modeling","literature review"]},{"id":"catf-000680","url":"https://climateinsightsdirectory.org/document/catf-000680","title":"Decarbonising materials for the energy system transition","publisher":{"name":"Clean Air Task Force","organization":"clean-air-task-force"},"document_type":"research paper","language":"en","date_published":null,"source_url":"https://cdn.catf.us/wp-content/uploads/2023/12/18091109/CATF_DecarbonisingMaterialsEnergyTransition_Brief_Final.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The analysis finds that meeting 1.5°C targets in the EU will require massive quantities of steel, concrete, and glass, with cumulative emissions from material production reaching approximately 1.5 Gt CO2 by 2050. The authors argue that without decarbonising the upstream manufacturing of these materials via carbon capture and low-carbon hydrogen, the climate benefits of renewable energy deployment will be significantly constrained.","ai_generated":true,"unit":"catf-000680#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"For 1.5°C-compatible scenarios in the EU, the cumulative material requirements to 2050 for wind turbine deployment are over 140 Mt of steel and 360 Mt of concrete.","ai_generated":true,"unit":"catf-000680#insight-1","date_modified":"2026-10-23"},{"text":"Under the same 1.5°C scenarios, solar photovoltaics (PV) will cumulatively require 209 Mt of steel, 186 Mt of concrete, and 142 Mt of glass by 2050.","ai_generated":true,"unit":"catf-000680#insight-2","date_modified":"2026-10-23"},{"text":"The combined cumulative CO2 emissions from the extraction and processing of materials for wind and solar power in the EU are estimated to reach around 1.5 Gt by 2050 if upstream industries are not decarbonised.","ai_generated":true,"unit":"catf-000680#insight-3","date_modified":"2026-10-23"},{"text":"Annual CO2 emissions from material processing exceed 25 Mt/year for solar PV and 15 Mt/year for wind turbines.","ai_generated":true,"unit":"catf-000680#insight-4","date_modified":"2026-10-23"},{"text":"The production of steel and aluminium is identified as the primary driver for both energy consumption and CO2 emissions in the supply chain for these technologies.","ai_generated":true,"unit":"catf-000680#insight-5","date_modified":"2026-10-23"},{"text":"In 1.5°C-compatible scenarios, the combined demand for steel, concrete, cement, glass, and aluminium is projected to exceed current EU production levels by 2040.","ai_generated":true,"unit":"catf-000680#insight-6","date_modified":"2026-10-23"},{"text":"Decarbonising the material supply chains will require the rapid deployment of industrial technologies, specifically carbon capture and storage and zero-carbon fuels.","ai_generated":true,"unit":"catf-000680#insight-7","date_modified":"2026-10-23"}],"climate_tags":["photovoltaics","wind power","carbon capture and storage","Industrial decarbonization","concrete","life cycle assessment"],"geography_discussed":["People's Republic of China"],"frame_perspective":[],"analysis_type":["quantitative","projection"]},{"id":"iisd-001319","url":"https://climateinsightsdirectory.org/document/iisd-001319","title":"Émissions manquantes dans les analyses du cycle de vie","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"briefing","language":"fr","date_published":null,"source_url":"https://www.iisd.org/system/files/publications/emission-omissions-backgrounder-fr_0.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The document highlights how current life cycle assessments (LCA) in the Canadian built environment can mislead decision-makers due to data gaps and a lack of transparency. It specifically notes that LCAs often ignore biogenic carbon emissions from wood products—which can account for up to 72% of a product's total life cycle emissions—and overlook regional variations in material production and disposal. The briefing recommends that the federal government invest in updated regional and national LCA inventories and prioritizes energy efficiency and material longevity as the primary drivers for decarbonizing buildings.","ai_generated":true,"unit":"iisd-001319#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Life cycle assessments (LCA) in the built environment can produce misleading or incorrect results, potentially increasing greenhouse gas (GHG) emissions rather than reducing them. This is primarily caused by significant gaps in available data and the failure to disclose assumptions and uncertainties that impact results.","ai_generated":true,"unit":"iisd-001319#insight-1","date_modified":"2026-10-23"},{"text":"Current LCAs frequently fail to account for biogenic carbon emissions during the extraction and end-of-life phases of wood products. These emissions, which include soil disturbances and the conversion of old-growth forests to less productive secondary forests, can represent up to 72% of a wood product's total life cycle emissions, challenging the assumption that wood is lower-carbon than concrete or steel.","ai_generated":true,"unit":"iisd-001319#insight-2","date_modified":"2026-10-23"},{"text":"LCAs often ignore significant regional variability in GHG emissions, relying instead on national, continental, or global averages. This overlooks differences in raw material extraction, production carbon intensity, and end-of-life disposal conditions.","ai_generated":true,"unit":"iisd-001319#insight-3","date_modified":"2026-10-23"},{"text":"Existing LCA models may misrepresent embodied emissions by ignoring other significant life cycle contributions, such as operational emissions and the impact on other building systems, leading to overly narrow decision-making.","ai_generated":true,"unit":"iisd-001319#insight-4","date_modified":"2026-10-23"},{"text":"While embodied emissions are important, the greatest potential for decarbonizing the built environment lies in improving energy efficiency and constructing low-energy or net-zero energy buildings.","ai_generated":true,"unit":"iisd-001319#insight-5","date_modified":"2026-10-23"}],"climate_tags":["life cycle assessment","greenhouse gas emissions","embedded emissions","decarbonization","built environment","building material","energy efficiency","sustainable architecture","concrete","steel"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["methodological assessment","policy briefing"]}]}