The Damning Records the Fossil Fuel Industry Doesn't Want You to See

Published May 14, 2025

The devastating impacts of climate change—impacts that major fossil fuel companies foresaw more than 60 years ago—will unfold for an untold number of generations. These very companies have poured millions of dollars into covering up what they knew and when they knew it.

Our painstakingly researched report, Decades of Deceit, comprehensively documents how major fossil fuel companies have misled the public and prevented climate action. The timeline below shows a small selection of their actions. Click or swipe through each event for details.

Video
Thumbnail of video

The Climate Deception Dossiers

For nearly three decades, many of the world's largest fossil fuel companies have knowingly worked to deceive the public about the realities and risks of climate change.

Related resources