What Did Governments Know About Climate Risks Decades Ago?
A new report from the Center for International Environmental Law (CIEL) reveals that major industrialized nations, including the U.S., were fully aware of global warming risks from fossil fuels as early as the 1950s and 1960s. Despite these crucial scientific warnings, many governments chose to prioritize fossil-fueled economic growth. This groundbreaking research strengthens arguments that these countries may face legal obligations to address climate-damaging emissions, especially following the International Court of Justice's recent advisory opinion on state responsibility for climate harm. The findings underscore a critical historical moment where urgent environmental action was tragically overlooked, leading to severe consequences now evident globally.
The CIEL report, titled "What Countries Knew," details how governments from the United States, Australia, Canada, Germany, Italy, Norway, the United Kingdom, and the combined Soviet Union and Russia were presented with clear research outlining the dangers of fossil fuel emissions.
Discussions about rising global temperatures, melting polar ice caps, and sea-level rise were happening as early as 1957, during the International Geophysical Year. By 1965, scientists warned U.S. President Lyndon Johnson that carbon dioxide increases could cause "marked changes" in climate, while researchers at state-owned oil companies also flagged potential impacts.
Despite this growing body of knowledge, these nations, which are responsible for about 40 percent of all historical emissions, largely doubled down on fossil-fueled growth. Newsreels celebrated coal production, and federally subsidized oil encouraged widespread consumption, locking in practices that continue to fuel our climate crisis today.
Lead author Lindsay Fenlock noted her surprise at the "breadth of international government awareness" of serious climate implications. Early international conferences, including one in France in 1968, even included detailed discussions on alternatives to fossil fuels, showing that solutions were being considered.
This historical context takes on new legal significance following the International Court of Justice’s advisory opinion, which found that states have longstanding legal obligations to prevent significant climate harm. Experts suggest this report could be a "warning shot" for future cases, establishing a clearer threshold for legal accountability. If governments knew the risks and continued to expand fossil fuel use, their responsibility for the resulting climate damages becomes much greater.
Understanding this history is vital for emphasizing the urgency of our current situation. It highlights the importance of transitioning rapidly to sustainable solutions like electrification, which outperform fossil fuels by offering cleaner, more efficient energy. Collective action and holding leaders accountable for past and present decisions are crucial to safeguarding our planet and communities from further environmental damage.