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This report by Ember evaluates the financial risks and technical viability of announced greenhouse gas removal (GGR) projects in the UK, specifically focusing on bioenergy with carbon capture and storage in the power sector (power-BECCS) and direct air carbon capture and storage (DACCS). The analysis finds that these technologies are currently unproven at commercial scale, face significant delivery delays, and could require billions in public subsidies, potentially diverting funds from more effective decarbonisation methods like renewables and heat pumps.

This briefing by the Climate Policy Initiative (CPI) analyzes the economic viability, financial requirements, and energy savings associated with achieving the German government's 2010 Energy Concept targets for residential thermal retrofits. The report focuses on the feasibility of increasing the annual retrofit rate to 2% and the necessity of 'deep' retrofits to meet a target of reducing the building sector's primary energy requirement by 80% by 2050.

This 2011 briefing by the Climate Policy Initiative (CPI) analyzes the economic feasibility and financial requirements for achieving the German government's energy concept goals for residential building renovations. The report focuses on the costs of comprehensive renovations, the subsidies needed to increase the renovation rate to 2%, and the resulting energy savings.

This policy brief by the International Institute for Sustainable Development (IISD) examines why the costs of carbon capture and storage (CCS) remain high, particularly within Canada's oil and gas sector. It argues that high design complexity and the need for customization prevent the cost reductions seen in renewable energy technologies, making CCS an inefficient use of public funds for oil and gas, though potentially useful for hard-to-abate industrial sectors like cement.