"President Trump has appointed Daniel Simmons, a conservative scholar who sharply questioned the value of promoting renewable energy sources and curbs on greenhouse gas emissions, to oversee the Energy Department’s Office of Energy Efficiency and Renewable Energy (EERE), according to an email distributed to department employees."

"President Trump, with help from his administration and Republicans in Congress, has reversed course on nearly two dozen environmental rules, regulations and other Obama-era policies during his first 100 days in office."

"The Trump administration got an earful Tuesday from people who say federal rules limiting air and water pollution aren't tough enough, even as it was seeking suggestions about what environmental regulations it should gut."

"Four conservation groups on Tuesday sued the U.S. Forest Service and Bureau of Land Management in an attempt to halt fracking plans in a portion of Ohio's only national forest."

"The Supreme Court on Monday refused to hear a challenge to the U.S. Fish and Wildlife Service’s decision to designate 187,000 square miles of Alaska’s coast and waters a critical habitat for the threatened polar bear."

"Tests last summer showed troubling levels of lead in the water at Summit Township Elementary School, perched on a quiet hilltop outside Butler, Pa. But for the next five months, no one told the parents of Summit’s 250 students."

"Federal Energy Regulatory Commissioner (FERC) Colette Honorable said Friday she will leave the board when her term expires in June."

"A U.S. appeals court on Friday granted a Trump administration request to put on hold a legal challenge by industry and a group of states to former President Barack Obama's regulations aimed at curbing greenhouse emissions mainly from coal-fired power plants, rules that the Republican president is moving to undo.

"President Trump signed an executive order [Friday] that reverses a ban on drilling in much of the Arctic and ensures a legal fight over an obscure provision of the Outer Continental Shelf Lands Act."

"It might not be the largest crowd ever assembled on the National Mall, or the hottest spring day ever recorded in the nation's capital, but the heat was oppressive enough, and the People's Climate March impressive enough in scale to send a message."