Science is at the core of a healthy democracy. But for years, presidential administrations have, in differing ways, sidelined scientific evidence and attacked scientific integrity.
Due to the large number of attacks on science we’re seeing from the second Trump administration, we are currently providing regular summaries of documented attacks.
- A Backward March: Another Month of Attacks on Federal Science (April 2, 2025)
- A Hundred Attacks and Counting: What Happened to Federal Science in February (March 12, 2025)
- How Science Has Fared in the First Two Weeks of the New Trump Administration (January 30, 2025)
Below is the list of documented attacks on science that occurred under the four previous administrations. They include disappearing data, silenced scientists, suppressed studies, and other assaults on science-based policy. More information on these attacks can be found in our peer-reviewed study and in our data repository.
Attacks on science

Environmental and Public Health Laws Suspended at Parts of Trump’s Border Wall

USDA Cancels Environmental Study, Allows Mining Near Minnesota Wilderness

DOE Releases a Shoddy, Flawed Report to Justify the Benefits of Coal Power Plants

Two Scientists Left U.S. Fish and Wildlife Service Over Issues of Science Fraud on Endangered Beetle Assessment

Department of Energy Places Unprecedented Restrictions on Nuclear Safety Board

Trump Administration Lifts Ban on Use of Dangerous Pesticides at U.S. Wildlife Refuges

NOAA Is Ordered to Override Endangered Species Protections to Access Water for California’s Wildfires

The EPA Eliminates a Strong Safeguard Against Industrial Air Pollution

USDA Using a Restructuring Decision to Sideline Federal Researchers
