"U.S. Secretary of State Rex Tillerson signed an agreement recognizing the landmark Paris climate accord at a meeting of Arctic nations in Alaska on Thursday, but said President Donald Trump was not rushing to decide whether to leave or weaken U.S. commitments to the pact."

"Montana's Glacier National Park is quickly losing an important part of its natural beauty: Its glaciers. U.S. Geological Survey data released Wednesday shows the park's 37 glaciers, along with two others on federal Forest Service land, have shrunk an average of about 40% since 1966."

"SALT LAKE CITY — While protestors clogged the sidewalk outside, Interior Secretary Ryan Zinke said he will be gathering perspectives of people on all sides of a deeply controversial issue as he reviews the Bears Ears and Grand Staircase-Escalante national monuments."

"The most biologically diverse waterway in America is in bad shape. The Indian River Lagoon is repeatedly being choked with oxygen-robbing algae, its surface increasingly dotted with thousands of dead fish, manatees, birds and other creatures."

"Potentially harmful human-caused noise pollution affects nearly two-thirds of all protected areas in the United States, according to a report released on Thursday."

"To Native Americans, Bears Ears National Monument is more than a national park, it is holy ground connecting them to their ancestors and the spiritual realm."

"President Trump's latest executive order opens the door to reducing or revoking two dozen national monuments, including Bears Ears in Utah. It's far from clear, however, that the president has the legal authority to do so."

"President Trump will sign an executive order Wednesday instructing the Interior Department to review national monument designations his three predecessors have made over the past 21 years, according to administration officials and GOP lawmakers, a move that could upend protections that previous presidents have put in place in Utah and elsewhere across the country."

"Federal officials have concluded that infrastructure for a proposed hydropower project — which would tap billions of gallons of groundwater in the California desert, just outside Joshua Tree National Park — wouldn't be especially harmful to the environment."