The state’s latest lawsuit charges the administration with illegally targeting its authority to set tougher vehicle-emission ...

As the Trump administration makes the economic case for the repeal of climate policies, sobering numbers emerge on health and energy costs.

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...

Solar has been the fastest growing source of electricity in the U.S. Proposed federal cuts to tax credits could halt that ...

The debate over the failed bills showed how business interests beat out some conservative lawmakers’ efforts to limit the ...

Costa Rica has protected 30 percent of its marine territory, and the small Central American country wants more care for the ...

President Trump said he will begin dismantling the Federal Emergency Management Agency this year: “We want to bring it down ...

The Trump administration has long touted the downsizing and elimination of national monuments, and a legal opinion from the ...

Marine experts say governments must protect fragile ecosystems from destructive practices such as bottom trawling and deep ...

New research reveals a massive planned expansion of gas-fired electrical generation to power artificial intelligence and ...

Glenn Youngkin, Virginia’s Republican governor, thinks the state can shoulder the burden, but Democratic U.S. Sen. Mark ...

At the U.N. Ocean Conference, Tonga’s princess called for recognition of whales’ legal rights. The move is one of several ...