Pollution Time Machine: It’s not just living animals that carry remnants of humanity’s toxic footprint. Samples of bird ...

A longtime critic of U.S. biofuels says an expansion of biofuels policy under President Donald Trump would lead to more ...

If cuts mean there’s not enough money for the state to regulate mines, the federal government could end up on the hook to do ...

Critics say it’s an unwarranted centralization of power that sidelines local officials, and they worry it will increase new ...

The New Jersey city will see another power plant built, a resource the Passaic Valley Sewerage Commission decided was ...

To learn about how polar ice sheets melted during an ancient era, scientists examined fossil coral reefs in the tropics.

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

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

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

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

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 ...