The agency plans to analyze the cost-benefit of PM2.5 and ozone regulation without using a dollar value for lives saved.

Longtime climate activist Bill McKibben finds hope in solar energy despite the Trump administration rolling back ...

Meet the network saving federal environmental data. But, as Trump enters his second year, how long can this effort last?

Experts fear consequences will include health complications, stalled industry, a society further disconnected from science and faster climate impacts.

The finding comes as the U.S. reverses rules meant to lower carbon pollution and walks away from international climate ...

Don't say the c-word. Global temperatures soared in 2025, but a NASA statement published Wednesday alongside its latest ...

The new rule does not estimate the economic value of health benefits from reducing NOx and other types of air pollution under ...

President Donald Trump on Tuesday turned what was supposed to be a routine address to Michigan business leaders to highlight ...