"For most Senate Republicans, climate change is an anathema: 70 percent of Republicans in the Senate deny the scientific consensus that climate change is happening and humans are the main cause. But a growing number of liberal and moderate Republican voters are concerned about climate change and want their elected officials to reflect that concern. And that leaves Republicans in tight campaigns for reelection with an interesting choice: embrace climate action, long seen as a liberal stance, or risk losing crucial voters."

"Five Native American nations will join together to bury his remains".

"He’s been called “the most important human skeleton ever found in North America.” Known as Kennewick Man, the 9,000-year-old Paleoamerican was unearthed in 1996 in the city of Kennewick, Washington. But the discovery was more than a thrilling moment for archaeologists—it sparked a legal battle that lasted more than two decades. Now, reports Nicholas K. Geranios for the Associated Press, Kennewick Man’s saga will finally come to an end with a Native American burial.

"The quest for answers for thousands of veterans sickened -- in some cases terminally -- by contaminated water at Camp Lejuene has been stymied by a federal agency that refuses to hand over key documents, attorneys from Yale Law School charged Wednesday."

"Rangers at southern Utah's Arches National Park were investigating large graffiti Thursday that was carved so deeply into a famous redrock arch that it might be impossible to erase, officials said."

"For the second straight day, Senate Democrats blocked consideration of an energy and water spending package due to a proposed amendment dealing with the Iran nuclear agreement."

"The armed occupation of the Malheur National Wildlife Refuge which ended in February has left an unexpected legacy to the park, one that appears to be in conflict with the occupiers' original intent. Since the siege on the refuge ended in early February, the park has seen a surge of financial support."

"The House Energy and Commerce Committee voted Wednesday to pass a bill to reauthorize the federal government’s safety oversight for hazardous pipelines."

"The National Park Service is celebrating its 100-year anniversary this year. A century ago, the Park Service was created with the mission of protecting and preserving some of the most awe-inspiring places in the country. And at the same time, its mission is to help people who visit those places enjoy them, and that's not always an easy balance."

"Six years on, scientists are continuing to tally the ecological harms caused by the deadly 2010 Deepwater Horizon oil spill in the Gulf of Mexico."

"Cities and states preparing for possible Zika outbreaks this spring and summer are losing millions of federal dollars that local officials say they were counting on, not only for on-the-ground efforts to track and contain the spread of the mosquito-borne virus but also to respond to other emergencies that threaten public health."