"The U.S. Environmental Protection Agency's scientific integrity watchdog is reviewing whether EPA chief Scott Pruitt violated the agency's policies when he said in a television interview he does not believe carbon dioxide is driving global climate change, according to an email seen by Reuters on Friday."

"Many of America’s biggest corporations including Apple Inc. and Wal-Mart Stores Inc. are sticking by their pledges to fight climate change even as President Donald Trump guts his predecessor’s environmental policies."

"A supervisor at the Energy Department's international climate office told staff this week not to use the phrases 'climate change,' 'emissions reduction' or 'Paris Agreement' in written memos, briefings or other written communication, sources have told POLITICO."

"With no rollback in Alberta tar sands production, Canada's emissions remain on an upward slope, a new report says."

"The House Science Committee convened a hearing on climate-change science Wednesday morning and it went just as I expected. We learned little, and political theater upstaged almost all productive discussion of science."

"A federal judge in Texas on Wednesday kicked an Exxon Mobil Corp lawsuit seeking to thwart two states from pursuing a fraud case over climate change to a Manhattan court, saying his court wasn't the best place to resolve the dispute."

"Interior Secretary Ryan Zinke today ordered that coal leasing be restarted in the United States but announced that his agency will continue reviewing whether federal royalty rates need to be raised."

"Environmental groups that vowed to fight President Donald Trump’s efforts to roll back his predecessor’s plans to curb global warming made good on their promise Wednesday, teaming up with an American Indian tribe to ask a federal court to block an order that lifts restrictions on coal sales from federal lands."

"Donald Trump’s plan to bring an abrupt halt to America’s crusade against climate change will test California and other states like never before as they seek to wrest control of the nation’s energy future from a hostile White House."