President Donald Trump holds up an executive order promoting coal production, with Environmental Protection Agency Administrator Lee Zeldin, left, and the secretaries of Interior and Energy behind him ...

A decadelong saga to federally protect the Joshua tree took another turn this week, when a judge overturned the U.S. Fish and Wildlife Service’s previous decision to keep the tree off its endangered ...

The first time Donald Trump was president, the head of the U.S. Environmental Protection Agency developed a regulation known as the “science transparency” rule. The administration liked to call it the ...

H. Christopher Frey receives funding from the California Air Resources Board via a research grant to North Carolina State University. He was on leave from NCSU to the U.S. Environmental Protection ...