Greenwire

Yosemite National Park Superintendent Don Neubacher has apologized to park employees after an Interior Department inspector general's investigation was announced last week.

Federal investigators are expected to visit Yellowstone National Park today to probe claims of sexual exploitation of female workers and financial misconduct.

Environmentalists believe a laundry list of federal coal leases, including the nation's biggest mines, which produce about 2.5 billion tons of coal, must be canceled because the wrong officials approved them.

Native American remains and artifacts uncovered during federal irrigation projects haven't been returned to tribes as the law requires, according to an investigation by the U.S. Office of Special Counsel.

The Sierra Club today announced its endorsement of Rep. Patrick Murphy (D-Fla.) in his bid to unseat Republican Sen. Marco Rubio.

The top House Natural Resources Democrat today urged the Fish and Wildlife Service to release more information about its plan to remove grizzly bears in the greater Yellowstone ecosystem from the threatened species list.

With less than four days left until the end of the fiscal year, Senate Democrats are poised to block a proposed continuing resolution to keep the government open over the exclusion of funds to help the residents of Flint, Mich., recover from the city's ongoing drinking water crisis.

Members of the nation's chemical safety watchdog exchanged tense emails last week after reports surfaced of potential improper conduct by one of its board members.

In the wake of Republican presidential nominee Donald Trump's denials last night that he's called climate change a "hoax" perpetrated by China, his campaign manager reiterated in an interview today that Trump doesn't believe human activity contributes to changing temperatures.

More than 50 years ago, President Eisenhower permanently protected 75 square miles of coral reefs along the Florida Keys, declaring them a "natural wonder" that must be preserved for future generations.

The late Justice Antonin Scalia loomed large today as the courtroom battle over the Obama administration's Clean Power Plan kicked off. Several conservative judges suggested that Congress — not U.S. EPA — should be tasked with making major environmental policy decisions. They cited one of Scalia's last major environmental opinions as a possible frame for viewing this case, which may not bode well for the administration.

A top official at Portland Public Schools has resigned after months on paid leave in the wake of a lead scandal that already ousted the superintendent.

Maryland officials have proposed rules for hydraulic fracturing one year before a state ban on the practice is set to end.

A whistleblower at the Centers for Disease Control and Prevention is claiming that the federal agency is using an ineffective method to test for the Zika virus.

Health and environmental advocates in California fear pesticide drift is causing massive health issues for children living in agricultural areas.

State officials in California will begin studying health effects of the Aliso Canyon natural gas leak as well as a defunct battery plant's decadeslong contamination.

Latinos are disproportionately exposed to polluted air, according to a study that calls for curbs on emissions from existing oil and gas operations.

The 2010 Deepwater Horizon oil spill may have permanently damaged a key ecosystem in the Gulf of Mexico, according to a new study.

Federal chemical investigators this morning bashed Freedom Industries for its 2014 spill into the Elk River in West Virginia that led to contamination of drinking water supplies for thousands of residents.

As autonomous cars begin hitting the roads across the country, most drivers still aren't ready to completely relinquish control.

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