In this photo provided by the Interior Department shows Interior Secretary Ryan Zinke arriving for his first day of work at the Interior Department in Washington, Thursday, March 2, 2017, aboard Tonto, an 17-year-old Irish sport horse. (Interior Department via AP)
In this photo provided by the Interior Department shows Interior Secretary Ryan Zinke arriving for his first day of work at the Interior Department in Washington, Thursday, March 2, 2017, aboard Tonto, an 17-year-old Irish sport horse. (Interior Department via AP)
In a sharp rebuke to a report from the Department of the Interior, a coalition of Western states is challenging its conclusions that human activity has led to widespread reduction in the Greater sage-grouse's population, not human activity. An attorney working the case described "extensive flaws in the agencies' science." (Associated Press)
In this May 21, 2014 photo, President Barack Obama stops to greet tourists during his surprise walk across the ellipse in Washington as they head towards the Department of the Interior. Obama seems to have caught a bad case of cabin fever. Since taking office, Obama has periodically grumbled about the claustrophobia that sets in when his every move is surrounded by intense security, rendering it nearly impossible to enjoy the simple pleasures that private citizens take for granted. But in recent days, the president has made more of a point to get out. "The bear is loose!" Obama declared this week after leaving the White House on foot, ditching his motorcade and his suit jacket in favor of fresh air as he headed to the Interior Department. (AP Photo/Pablo Martinez Monsivais)
President Barack Obama's signature is seen on a proclamation regarding the Organ Mountains-Desert Peaks National Monument, following a signing ceremony at the Department of the Interior, Wednesday, May 21, 2014. (AP Photo/Pablo Martinez Monsivais)
National Edition News Cover for November 16, 2013 - Obama slams lobbyists, then hires a lobbyist to help promote Obamacare: President Barack Obama gestures as he speaks at the 2013 Tribal Nations Conference, Wednesday, Nov. 13, 2013, at the Interior Department in Washington. (AP Photo/Charles Dharapak)