The agency is closing the Office of Research and Development, which analyzes dangers posed by hazards including toxic chemicals, climate change, smog, wildfires, water pollution and more.

The Environmental Protection Agency said Friday it is eliminating its research and development arm and reducing agency staff by thousands of employees.

The Environmental Protection Agency said Friday that it is eliminating its scientific research arm and reducing its workforce by at least 23%. The EPA’s Office of Research and Development arm oversaw ...

The Environmental Protection Agency said Friday it is eliminating its research and development arm and reducing agency staff by thousands of employees.