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The document highlights how current life-cycle assessments (LCAs) for building materials in Canada may misdirect decarbonization efforts 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 their total lifecycle emissions, potentially overstating the carbon advantage of wood over materials like concrete and steel. The briefing recommends that the federal government invest in regionalized national life-cycle inventories and that policymakers prioritize energy efficiency, building durability, and material efficiency over a narrow focus on embodied emissions.

The EPA is launching an EPD Assistance Program funded by the Inflation Reduction Act to support the development and standardization of Environmental Product Declarations for construction materials. The program offers grants between $250,000 and $10 million to U.S.-based manufacturers and supporting organizations to facilitate the use of low-embodied carbon materials in government procurement initiatives like Buy Clean.

The guide explains how Environmental Product Declarations (EPDs) function as 'nutrition labels' for building materials by reporting life-cycle assessment (LCA) data, specifically Global Warming Potential (GWP). It argues that current EPDs suffer from inconsistencies due to varying data sources and proprietary datasets. To achieve an 'ideal EPD' that supports fair carbon reduction policies, the author recommends that Product Category Rules (PCRs) mandate facility-specific data, limit product variation within single reported values, and require supply-chain-specific data for upstream processes. The document also identifies barriers to adoption, such as high up-front costs for small businesses and the lack of a universal public database, while noting US government initiatives like the EPA's grant program and the Inflation Reduction Act of 2022 aimed at advancing EPD development.

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.

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.

The document examines the environmental implications of booming Foreign Direct Investment (FDI) in Lao PDR's resource-heavy sectors, noting that while the country is well-positioned to benefit from global demand, the scale of growth is outpacing the government's ability to implement adequate policy and regulatory frameworks.

The paper analyzes how trade liberalization and increased foreign direct investment (FDI) affect the environment in Lao PDR, focusing on hydropower, mining, and construction materials. It highlights risks such as deforestation, water pollution from mining, and habitat loss, while noting opportunities for 'green' growth and renewable energy exports. The author argues that while the government is committed to sustainable development, institutional capacity for implementing environmental safeguards and coordinating Environmental Impact Assessments (EIAs) remains insufficient.

The document outlines the potential for industrial symbiosis by using waste foundry sand (WFS) as a secondary material in sectors like brickmaking and road construction. It highlights the economic benefits for foundries and off-takers, the regulatory hurdles involving waste classification and management licenses, and the technical requirements for processing WFS to ensure product quality.

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.

Post-disaster rebuilding often creates a massive spike in demand for construction materials, sometimes equivalent to 15 years of typical demand, which can lead to unregulated resource extraction and increased greenhouse gas emissions. The document highlights how the demand for cement and sand contributes to global CO2 emissions and ecosystem degradation, respectively. It advocates for the strategic recycling and reuse of disaster debris—such as concrete, metals, and wood—to reduce pressure on natural resources, lower costs, and create local jobs, thereby strengthening long-term community resilience.