"A federal judge has denied a request by the Standing Rock Sioux and Cheyenne River tribes to halt construction of the final piece of the Dakota Access Pipeline."

"If President Trump tries to overhaul the contentious Clean Water Rule, he may find himself in much the same legal quagmire as his predecessor."

"U.S. Senate Minority Leader Chuck Schumer and 11 other Democrats said on Tuesday it was "critical" that the Trump administration leave in place new vehicle fuel efficiency rules, saying the higher standards were achievable."

"More than a dozen state attorneys general are asking Pres. Donald Trump to throw out recent federal rules regulating the environment for endangered or threatened plants and animals. The states claim the rules, which enlarge the definition of species habitat, give the federal government excessive power over state and private lands."

EPA Administrator Scott Pruitt, "a former Oklahoma attorney general who built a career out of suing the agency he now leads, has moved to stock the top offices of the agency with like-minded conservatives — many of them skeptics of climate change and all of them intent on rolling back environmental regulations that they see as overly intrusive and harmful to business."

"The Senate is set to roll back another Obama-era environment rule this week. Senators on Monday will begin the process of repealing a Bureau of Land Management rule to reorganize the government’s land planning and management guidelines."

"The chairman of the House Natural Resources Committee is asking budget writers to set aside $50 million to account for the costs to transfer federal land to state or local governments."

"President Trump and congressional Republicans are poised to roll back a series of Obama-era worker safety regulations targeted by business groups, beginning Monday night with a vote by the Senate to kill a rule that required federal contractors to disclose and correct serious safety violations."

"A high-stakes legal battle between ExxonMobil and the New York attorney general's office is roiling around documents held by the company's auditors. Those documents, usually dry disclosures that hold little public interest, could afford a candid—and perhaps damaging—glimpse into Exxon's private calculations of the business risks posed by climate change."

"An Oklahoma-based Native American tribe filed a lawsuit in its own tribal court system Friday accusing several oil companies of triggering the state’s largest earthquake that caused extensive damage to some near-century-old tribal buildings."