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42,390 documents
Lower Bills, Better Grids: Heat Pump Benefits for Electric Resistance-Heated Homes
Upgrading the millions of US homes relying on electric resistance heating to air-source heat pumps (ASHPs) and heat pump water heaters (HPWHs) offers significant benefits for affordability, grid reliability, and climate goals. For single-family homes, these upgrades can save households an average of $1,530 annually and reduce total carbon pollution by approximately 40%. At scale, such transitions could reduce US residential summer peak demand by 11 GW and winter peak demand by 51 GW. The report advocates for updating building energy codes to discourage electric resistance in new construction and retrofits, setting specific replacement targets, and implementing midstream incentive programs and on-bill financing to overcome up-front cost barriers.
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Document type: Report
WHO'S RESPONSIBLE FOR CLIMATE CHANGE?
The fact sheet asserts that a small number of fossil fuel corporations are primarily responsible for climate change, having known about the dangers of their products since the 1950s but choosing to mislead the public and lobby against climate action to maintain profits. It highlights that legal action is currently being taken by various US jurisdictions to hold these companies accountable for deceptive practices and climate damages.
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Document type: Fact sheet
Water Use and Next-Generation Geothermal
The document examines water use in next-generation geothermal systems, including enhanced geothermal systems (EGS), closed-loop geothermal systems (CLGS), and Superhot Rock (SHR) geothermal. It distinguishes between water withdrawal and consumption, noting that while water is essential, innovations can minimize its use. Key findings indicate that approximately 90% of next-generation geothermal can use non-freshwater sources and that air-cooled binary systems significantly reduce water consumption compared to wet-cooled steam systems. The document highlights a trade-off where the most water-efficient systems are often the most capital-intensive. Recommendations include increasing the use of alternative water sources, deploying CLGS and air-cooled technologies, and improving transparency in water usage reporting.
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Document type: Fact sheet
Shelved Again: Supermarkets’ missing action on methane
The report finds a 'leadership vacuum' in the global food retail sector regarding methane emissions. Despite the critical role of methane in short-term global warming, none of the 20 largest retailers assessed publicly reported their methane emissions or set specific targets to reduce them. While European retailers generally outperform US retailers in acknowledging the climate impact of livestock, the overall sector shows a lack of transparency and ambition. The report recommends that retailers set science-based methane reduction targets of at least 30% by 2030 and shift their product portfolios toward a 60/40 plant-to-animal protein sales split.
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Document type: Report
The High Cost of Offshore Oil and Gas
The document examines the impact of offshore oil and gas activities in the Wider Caribbean, highlighting the ecological threats to coral reefs and mangroves, the economic vulnerability of fossil-fuel-dependent states, and the legal obligations of states to prevent marine pollution and climate harm.
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Document type: Briefing
Transition rapide vers la souveraineté énergétique
The report outlines a five-step strategy for the European Union to achieve energy sovereignty by transitioning away from fossil fuel imports, which currently account for nearly 60% of its primary energy supply. It emphasizes that 89% of final energy demand can be met through electrification using existing technologies, which would significantly lower exposure to supply shocks since 81% of electricity production is domestic. The document proposes specific actions: accelerating electrification, interconnecting the European power grid, deploying energy storage to replace gas for balancing, decarbonizing heavy industry, and using the EU Methane Regulation to phase out high-risk imports from suppliers like Russia and the United States. Financially, the report notes that EU clean energy investments reached approximately 346 billion euros in 2025, but argues that 1,500 billion euros per year are needed until 2050 to complete the transition.
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Document type: Report
Schneller Übergang zur Energiesouveränität
The report outlines a five-step strategy for the EU to transition from risky fossil fuel imports to domestic clean energy, emphasizing electrification, grid connectivity, flexibility, industrial decarbonization, and the use of the EU Methane Regulation to phase out high-emission imports.
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Document type: Report
Una transizione rapida verso la sovranità energetica
The policy brief asserts that the European Union's reliance on fossil fuel imports—nearly 60% of its primary energy supply—creates critical vulnerabilities. It proposes a five-step strategy focusing on electrification, grid interconnection, flexible energy systems, industrial decarbonization, and the use of the EU Methane Emissions Regulation (MER) to phase out high-risk suppliers. The document highlights that 89% of final energy demand can be electrified with current technology, which would significantly reduce exposure to external shocks and improve industrial competitiveness.
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Document type: Policy brief
Szybka transformacja w kierunku zapewnienia suwerenności energetycznej
The report identifies the EU's reliance on fossil fuel imports—nearly 60% of primary energy supplies—as a structural geopolitical risk. It proposes a five-step framework (Electrify, Connect, Flex, Decarbonise, and Shield) to enhance energy sovereignty. Key recommendations include increasing electrification, expanding the interconnected grid, deploying energy storage, decarbonising heavy industry, and using the EU Methane Emissions Reduction (MER) regulation to phase out high-risk suppliers like Russia and the USA. The document emphasizes that while clean energy investments reached approximately 346 billion EUR in 2025, they must scale to 1.5 trillion EUR annually by 2050 to achieve the transition.
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Document type: Report
Rapid Transition to Energy Sovereignty
The European Union remains vulnerable to global energy shocks due to a high dependency on fossil fuel imports, nearly 60% of its primary energy supply. While the EU has reduced reliance on Russian gas, it has increased exposure to US LNG, which the report identifies as a significant political and economic risk. To achieve energy sovereignty, the report proposes five key actions: accelerating electrification (where 89% of demand is technically electrifiable), enhancing grid interconnectivity, deploying energy storage and demand flexibility, decarbonising heavy industry through green public procurement and product mandates, and leveraging the EU Methane Regulation (EU MER) to disincentivise high-emitting imports. Financing this transition will require an average of EUR1.5tn per year through 2050, primarily driven by private capital and the GSS+ bond market.
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Document type: Report
Guidance on applying the ‘do no significant harm’ principle under the 2028-2034 MFF
The document argues that the DNSH principle should be a binding eligibility requirement for EU funding rather than a general guideline, ensuring that no activity funded by the EU budget causes significant harm to any of the six environmental objectives. It calls for a strict interpretation of derogations, the creation of an explicit exclusion list—specifically including fossil fuels—and the implementation of transparent, independent assessment procedures to prevent the 'watering down' of environmental standards.
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Document type: Statement
Submission to the European Commission Call for Evidence on the Revision of the Water Framework Directive (WFD)
ClientEarth opposes the revision of the Water Framework Directive (WFD), arguing that current evidence supports full implementation over legislative changes. The organization warns that weakening the WFD would undermine legal certainty, jeopardize freshwater ecosystems, and shift economic costs from polluters to society. It specifically highlights risks from the mining sector and argues that the current revision process fails to comply with the European Commission's Better Regulation Guidelines.
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Document type: Statement
Ecodesign for textiles without harmful chemicals
ClientEarth argues that the JRC's preparatory study for textile ecodesign criteria under the ESPR is insufficient. The organization advocates for full alignment with REACH for reporting Substances of Very High Concern (SVHCs), the inclusion of all substances with harmonised classification and labelling (CLH), and the removal of exemptions for process chemicals. It further contends that the JRC has failed to implement legal requirements to reduce 'significant risks' to health and the environment and has overlooked the need for performance restrictions based on circularity concerns, such as the use of phthalates.
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Document type: Statement
PREPARE OR REPAIR: How climate-proofing public infrastructure pays off
The report finds that climate-driven hazards like extreme rainfall and heat stress will drive infrastructure costs to $14 billion per year by the 2050s and $19 billion by 2085 without adaptation. Proactive adaptation, requiring an average annual investment of $4.1 billion, could lower total costs by nearly $9 billion per year compared to no adaptation and over $4 billion compared to reactive adaptation. The analysis emphasizes that early action improves budget predictability and avoids cascading economic disruptions, though it notes that upgrades to existing assets must be supplemented by new protective infrastructure like dikes.
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Document type: Executive summary
PRÉVENIR OU RÉPARER
The report evaluates the costs of maintaining Canadian public infrastructure under different climate scenarios, concluding that proactive adaptation is more cost-effective than reactive repairs or inaction. It estimates that without adaptation, annual infrastructure costs could reach 14 billion dollars by the 2050s and 19 billion dollars by 2085. Proactive adaptation, requiring an average annual investment of 4 billion dollars, could reduce total costs by nearly 9 billion dollars per year compared to no adaptation. The document recommends six strategic priorities for federal, provincial, and territorial governments to accelerate resilience, including updated building codes and increased funding for municipalities and Indigenous governments.
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Document type: Executive summary
Fastest-Warming U.S. States and Cities
April 2026 was the fourth-warmest month globally on record, with the contiguous U.S. experiencing its third-warmest April. The report highlights severe drought in the Southeast U.S., record-low Western snowpack, and a persistent marine heat wave off the coasts of California and Mexico. Using the Climate Shift Index (CSI), the analysis attributes springtime warming trends in 98% of analyzed U.S. cities to human-caused climate change, with exceptional warmth noted in Honolulu and San Juan. Forecasts indicate a high probability of a strong El Niño developing later in 2026, potentially driving global temperature anomalies above 1.8°C relative to pre-industrial levels by early 2027.
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Document type: Briefing
Landscape of Climate Finance in Ethiopia
Ethiopia's climate finance averaged USD 2.3 billion annually in 2022/23, significantly below the USD 10.6 billion annual requirement of its NDC 3.0. The country is heavily dependent on international public finance, which accounted for over 93% of flows, while private investment remains minimal at less than 5%. Adaptation finance dominates the landscape, reflecting high vulnerability in the agriculture and water sectors, whereas mitigation finance is concentrated in energy and remains insufficient. Despite institutional reforms and the launch of the Ethiopian Securities Exchange, macroeconomic constraints and limited project preparation capacity hinder the mobilization of domestic and private capital.
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Document type: Report
Informe Radiografía de la Electromovilidad en Flotas Empresariales
The report provides a 2025 baseline of corporate vehicle fleets in Chile, finding that while current electric vehicle (EV) adoption is low at 7%, there is significant interest in transitioning due to operational savings and environmental benefits. Adoption is highest among larger companies and specific sectors like tourism and mining, though it is hindered by limited model availability, insufficient charging infrastructure, and financing gaps. The study introduces an Electromobility Predisposition Index (IPE) to segment companies by their readiness to adopt EVs, noting that companies in regions show higher predisposition than those in the Metropolitan Region.
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Document type: Report
A guide to transparent and credible corporate climate communications
The document argues that traditional carbon offsetting is inherently deceptive because carbon credits cannot reliably counterbalance emissions on climate-relevant timescales. It advocates for the 'beyond value chain mitigation' (BVCM) approach, where credits are treated as contributions to global climate action rather than offsets. The guide outlines principles for credible communication, including the prioritisation of internal decarbonisation and the use of transparent, non-ambiguous language. It also provides case studies of misleading claims from entities like Climate Impact Partners, Audi, and Apple, and offers recommendations for policymakers to ban offsetting claims and for consumers to identify 'red flags' in corporate communications.
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Document type: Guide
Carbon Market Watch’s position on the use of international carbon credits to outsource the EU’s 2040 climate target
Carbon Market Watch opposes the use of international carbon credits to meet the EU's 2040 climate target, arguing that such a strategy would result in higher EU emissions, shift responsibility to the Global South, and undermine industrial competitiveness. The organization asserts that current carbon credit markets lack sufficient quality and transparency. While primarily advocating for a fully domestic approach, the document outlines strict quality criteria and a centralized purchasing mechanism that should be implemented if the EU proceeds with international credits as a last resort.
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Document type: Statement