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A statement by Climate Policy Initiative leaders and Joaquim Vieira Ferreira Levy arguing that government bailouts following the COVID-19 pandemic should be linked to climate-impact measures to avoid accumulating environmental debt and to foster long-term economic competitiveness.

This research paper examines the challenges faced by the International Civil Aviation Organization (ICAO) in balancing the differential treatment of developed and developing countries with the general principle of equality of treatment in international aviation emissions regulation.

This research paper analyzes the European Union's struggle to include foreign airlines in its Emissions Trading System (EU-ETS) amid international resistance, arguing that the opposition is driven by political realism rather than policy design and warning that EU retreats could undermine its future regulatory credibility.

Friends of the Earth-U.S. issued a statement clarifying that it has no affiliation with Club4Climate, a U.K.-based firm, and does not support its claims that a party on a Greek island can help save the world, citing the emissions from aircraft as antithetical to fighting global warming.

This policy brief by the Stockholm Environment Institute (SEI) evaluates the role of carbon offsetting programs in climate policy. It discusses the potential for offsets to reduce mitigation costs and provide sustainability benefits, while warning of risks such as non-additionality, leakage, and permanence. The document highlights significant variability in how different protocols quantify offsets and argues for the standardization of these protocols to ensure market integrity.

A research paper by the World Resources Institute (WRI) examining how the COVID-19 pandemic altered business travel behaviors and how behavioral science can be used to maintain these reductions to lower aviation emissions.