"Every federal agency will set up a task force dedicated to quickly finding regulations to eliminate, as mandated by an executive order signed Friday by President Donald Trump. It is one of a series of moves the White House believes will free U.S. businesses from the bonds of health, safety, consumer and environmental protections."

"The Oklahoma Attorney General’s Office confirms former Attorney General Scott Pruitt used a private email for state business. The information comes a week after FOX 25 first revealed the emails that appeared to be sent from Pruitt’s private email account."

"U.S. President Donald Trump's administration will begin rolling back Obama-era environmental regulations in an "aggressive way" as soon as next week, the head of the Environmental Protection Agency said on Saturday - adding he understood why some Americans want to see his agency eliminated completely."

"House Republicans cast pro-environmental votes just 5 percent of the time in 2016, while their Democratic colleagues tallied a 94 percent voting record, according to the League of Conservation Voters. That makes the 114th Congress the most politically polarized in the 46-year history of LCV's Scorecard, the new numbers released Thursday show."

"Democratic state senators in California on Thursday unveiled a series of bills designed to freeze in place Obama administration-era environmental regulations in the event the Trump administration moves to weaken them."

"In what appeared to be a belated adoption of an Obama-era directive, the U.S. energy agency responsible for approving multibillion-dollar natural gas pipeline projects has directed companies to start disclosing potential climate change impacts."

"Armed occupation brought an anticlimactic and forlorn end to the camp, which had been home to thousands of activists opposing the Dakota Access pipeline".

"U.S. fishing and conservation groups sued the Environmental Protection Agency on Thursday, seeking to protect wild salmon threatened by rising water temperatures attributed in part to climate change in two major rivers of the Pacific Northwest."

"A little less than seven years ago, the climate scientist Michael Mann ambled into his office at Penn State University with a wedge of mail tucked under his arm. As he tore into one of the envelopes, which was hand-addressed to him, white powder tumbled from the folds of the letter. Mann recoiled from the grainy plume and rushed to the bathroom to scrub his hands."

"When nearly 200 countries agreed last October to dramatically reduce their reliance on climate change-polluting chemicals called hydrofluorocarbons (HFCs) in air conditioning and refrigeration, the hunt for alternatives was already underway. Now, a new study in the journal Nature Communications that comprehensively explored pure liquid options found only 27 candidates, and problems with all of them."