"The head of the national coal miners’ union on Thursday urged the Trump administration to impose regulation on silica dust in mines, which researchers believe is responsible for a resurgence of black lung disease in central Appalachia."

"The U.S. government on Wednesday will reclassify some of the nation’s most dangerous radioactive waste to lower its threat level, outraging critics who say the move would make it cheaper and easier to walk away from cleaning up nuclear weapons production sites in Washington state, Idaho and South Carolina."

"A White House plan to debate the accuracy of climate science has hit a snag: Mainstream scientists are unlikely to participate."

"Members of EPA's Science Advisory Board grappled with whether and how to weigh in on the Trump administration's rollback of clean water standards given the administration's insistence that the proposal is a question of policy, not science."

"Seventeen of the world's largest automakers have asked the White House and the state of California to restart talks and come up with one set of greenhouse gas standards for cars."

"Michael R. Bloomberg, the former mayor of New York City, will donate $500 million to a new campaign to close every coal-fired power plant in the United States and halt the growth of natural gas, his foundation said Thursday."

"The head of the Environmental Protection Agency (EPA), Andrew Wheeler, chose to go “off script” Wednesday morning when he warned the agency’s Science Advisory Board (SAB) against trusting the media."

"President Donald Trump is getting his facts wrong when it comes to clean air in the U.S. In remarks Wednesday with Ireland’s Prime Minister Leo Varadkar, he insisted the U.S. has the “cleanest air in the world” and is “setting records environmentally.” That’s not the case. The Obama administration set the records for clean air in 2016, and air quality under Trump has worsened since then."

"Democratic lawmakers are challenging a new Trump administration report they say is – along with other White House moves – a precursor to opening the Grand Canyon to uranium mining."

"America's biggest cities could avoid hundreds of deaths during future heat waves if the world reduces its greenhouse gas emissions enough to meet the Paris climate agreement goals, a new study shows."