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.
Below is a running list of attacks on science. They include disappearing data, silenced scientists, suppressed studies, and other assaults on science-based policy. The list provides a representative sample of threats to the federal scientific enterprise—and a warning of what we face in the future. More information can be found in our peer-reviewed study and in our data repository.
Attacks on science

EPA Officials Sideline Scientists When Establishing Particulate Matter Air Pollution Standard

Political Appointees Interfered in Competitive Grant Review Process

Political Officials Interfered with Scientific Processes in 2020 Census

Political Officials Pressured EPA Scientists to Undermine Scientific Studies on a Hazardous Pesticide, Atrazine – Again

USGS Director Shuts Down Study on Coronavirus Impacts on Wild Ferret Populations

Trump Administration EPA Approves Use of Toxic Pesticide and Medically Important Antibiotic on Citrus Fruits

EPA Leadership Interfered with Scientific Studies on the Risks of Hazardous Herbicide, Dicamba

EPA Leadership Ignored EPA Scientists’ Concerns Over Mississippi Wetlands

Trump Officials Ignored Concerns from EPA Scientists on Vehicle Efficiency Rule
