"Donald Trump would be 'highly unlikely' to be able to renegotiate the global accord on climate change if elected U.S. president, the U.N.'s climate chief said on Wednesday, as doing so would require the agreement of 195 countries."

"Voters at Exxon Mobil Corp's annual meeting on Wednesday approved a measure to let minority shareholders nominate outsiders for seats on the board, meaning a climate activist could eventually become a director at the world's largest publicly traded oil company."

"The House on Tuesday overwhelmingly approved new chemical safety rules designed to overhaul federal regulation covering thousands of chemicals in daily use, a rare bipartisan action in a year when Congress is torn by presidential politics."

"The nearly 88,000 acres were meant to be a gift, donated along with a $40 million endowment so that part of Maine’s pristine North Woods might be protected forever as a national park. But it’s not easy to give away a national park; Roxanne Quimby, the wealthy, polarizing co-founder of Burt’s Bees, has been trying for more than a decade. Her effort has bitterly divided this corner of New England, where shuttered paper mills have led to crippling unemployment and a shrinking population, and where distrust of the federal government runs as deep as the rivers and streams."

"Pennsylvania environmental regulators have, for now, dropped their pursuit of a nearly $9 million fine against Range Resources-Appalachia LLC after the two sides reached an agreement over a Lycoming County gas well that regulators said leaked methane into drinking water supplies and streams."

"[Pennsylvania] Department of Environmental Protection Secretary John Quigley resigned Friday afternoon, following several news reports about a controversial email he sent last month to environmental groups."

"In the midst of an ongoing effort by the Standing Rock Sioux Tribe and other entities to prevent construction of the Dakota Access Pipeline, the company Dakota Access LLC has begun construction of the 1,150-mile project, which will carry crude oil from western North Dakota to Illinois."

"Exxon Mobil Corp and Chevron Corp will face their toughest-ever push by shareholders concerned about a warming world at annual meetings on Wednesday, as the Paris accord to tackle climate change ratchets up investor pressure on two of the world's largest oil companies."