Greenwire

Close to 20 percent of all premature births worldwide may be caused by expectant mothers' exposure to fine particulates, a new study concludes.

The Colorado River Basin has benefited from recent rains and snows across the western United States.

California's reputation as a modern leader in dam safety was called into question last week as two spillways at the Oroville Dam began to crumble and forced tens of thousands of people to evacuate.

President Trump has said he wants to put "America first," and America's first people are hoping he is including them in that promise, too.

Electromagnetic currents triggered by a high-altitude nuclear explosion over North America would disable only three to 14 high-voltage transformers, according to a new study by the Electric Power Research Institute — a much smaller damage assessment than several government-sponsored reports have estimated.

Scientists believe reindeer are threatened by climate change, which could make their winter food sources disappear, but reindeer on one Alaskan island are surprising researchers.

The CEO of Murray Energy Corp., the largest coal mining company in the United States, called climate change a hoax and said it cannot exist because the Earth's surface is cooling.

Two California lawmakers focused on how climate rules affect disadvantaged communities are taking advisory posts on the state's powerful Air Resources Board.

A Puerto Rican man has been charged in Miami federal court with selling federally protected migratory birds, including some that might have been captured in South Florida.

A federal judge last week approved two settlements for punitive damages involving private claims stemming from the 2010 Deepwater Horizon disaster.

Two Oregon timber companies sued the federal government last week, challenging former President Obama's expansion of the Cascade-Siskiyou National Monument.

The Justice Department is urging the Supreme Court to pass on a case that challenges a legal doctrine under which courts give deference to agency interpretations of rules.

One of former President Obama's last directives was a ban on lead ammunition and fishing sinkers on federal land.

The lights were out at the Washington Monument yesterday in the middle of Presidents Day weekend.

Endangered Mexican gray wolves rebounded to a population of 113 last year, the highest number since the wolves were returned to the wild almost 20 years ago.

The Florida manatee population continues to grow despite a recent spike in mortalities, according to a survey that counted 6,620 sea cows last month.

Clearing dead and dying trees from California's drought-stricken forests won't build many houses, but it might help make older homes' yards look nicer.