"The Interior Department reactivated its official Twitter accounts early Saturday after an abrupt shutdown following shares of two tweets during the inauguration the agency considered unsympathetic to President Trump."

"Within moments of the inauguration of President Trump, the official White House website on Friday deleted nearly all mentions of climate change. The one exception: Mr. Trump’s vow to eliminate the Obama administration’s climate change policies, which previously had a prominent and detailed web page on whitehouse.gov."

"It took years of heated debate, but the federal government has finally decided just how much living space an organic chicken should have."

"With carbon dioxide emissions continuing to rise, an increasing number of experts believe major technological breakthroughs — such as CO2 air capture — will be necessary to slow global warming. But without the societal will to decarbonize, even the best technologies won’t be enough."

"Last-minute proposal from Obama administration addresses CRISPR and other cutting-edge technologies."

"It became clear Wednesday that far-reaching car pollution rules enforced by California and a handful of other states could be jeopardized if EPA nominee Scott Pruitt is confirmed by the Senate."

"Rick Perry, the former Texas governor and President-elect Donald J. Trump’s nominee as energy secretary, said in his Senate confirmation hearing on Thursday that he regretted having recommended the abolition of the Energy Department in the past."

"There is 'nervousness' among Environmental Protection Agency (EPA) staff that Donald Trump’s incoming administration will sideline science and reverse action on climate change, according to the agency’s outgoing administrator, Gina McCarthy."

"As former U.S. vice president Al Gore filmed the sequel to his environmental documentary last year, he did not expect to be dealing with a new president who has dismissed climate change as a hoax."

"A federal judge on Wednesday allowed a potentially lengthy environmental review of the Dakota Access Pipeline to move forward over objections from the pipeline’s developer."