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The Royal Meteorological Society (RMetS) demonstrates a commitment to climate science through its mission and the endorsement of the 2015 Climate Communiqué, but lacks a comprehensive environmental policy for its own operations. While no direct financial links to fossil fuel or arms industries were found in its corporate memberships, events, or education programmes, the society's lack of a specific ethical investment policy and transparency regarding its £670,000 investment portfolio suggests that such links are likely present in its financial holdings.

The document details how fossil fuel companies, including Exxon and Shell, and the American Petroleum Institute (API) knew about the risks of global warming as early as the late 1970s but chose to implement campaigns of disinformation. It highlights internal documents and public contradictions, such as the API's 1998 'Global Climate Science Communications Plan' and public denials by Exxon CEO Lee Raymond, to argue for corporate accountability for climate-related harms.

The document lists key climate-related votes in the U.S. Congress between 2003 and 2011 used to determine if legislators support or reject climate science. In the House, votes on the Energy Tax Prevention Act of 2011, the American Clean Energy and Security Act, and various amendments regarding EPA authority and intelligence estimates were used. In the Senate, criteria included votes on the Climate Security Act, the Climate Stewardship Act, and resolutions concerning the EPA's Endangerment Finding and global warming pollution limits.

The Union of Concerned Scientists (UCS) and the Government Accountability Project (GAP) found widespread political interference in U.S. federal climate science, including pressure to alter findings and restrict communication. Survey data shows that 58% of federal climate scientists experienced interference in the five years prior to the report, contrasting sharply with the experience of non-federal scientists at NCAR. The report highlights barriers to media access, declining inflation-adjusted funding since the mid-1990s, and poor morale, recommending reforms to ensure scientific openness and the 'right of last review' for scientists.

The UCS Town Hall Toolkit is a guide for advocates to hold Members of Congress accountable through public engagement. It outlines strategies for finding and attending town halls, provides a framework for preparing and delivering questions, and offers specific sample questions focused on opposing the Department of Government Efficiency (DOGE), protecting the National Oceanic and Atmospheric Administration (NOAA), and defending various tax credits and grants within the Inflation Reduction Act (IRA).

Jonathan Lash testifies that the United States Climate Action Partnership's premise—that immediate action on climate change is required to prevent rising costs—is supported by recent IPCC findings, which he describes as presenting a stark picture of the scale and immediacy of the environmental challenge.