"Power plants, refineries, and other industrial sources may now be able to avoid stringent pollution controls if the toxic air particles they emit fall below a mandated legal threshold."

"The Environmental Protection Agency (EPA) on Tuesday diminished studies linking a widely-used pesticide associated with brain damage in children, a move that could enable years of continued use of controversial chlorpyrifos."

"Asphalt—a petroleum product used on roads and roofs—is a significant source of harmful chemicals that end up contributing to ozone and particulate matter pollution, according to a study published today in Science Advances."

"The White House is threatening to veto an energy bill rolled out by Democrats last week, calling it a “a top-down approach that would undermine the administration’s deregulatory agenda.”"

"The Centers for Disease Control and Prevention posted guidance Friday evening saying that aerosol transmission might be one of the "most common" ways the coronavirus is spreading — and then took the guidance down on Monday."

"Four former heads of the U.S. Environmental Protection Agency, Democrats and Republicans, on Monday issued a sharp rebuke of the Trump administration’s record on the environment after the current administrator said the agency is focused on “work that has been neglected for years.”"

"President Trump has made dismantling federal climate policies a centerpiece of his administration. A new analysis from the Rhodium Group finds those rollbacks add up to a lot more planet-warming emissions."

"After reviewing the risks of atrazine for more than 7 years, the US Environmental Protection Agency says the widely used herbicide can stay on the market with some new restrictions. EPA Administrator Andrew Wheeler announced this final decision on Sept. 18, during an event in Missouri attended by farm-group leaders and local lawmakers."

"In secretly recorded meetings, executives with the Pebble Mine project said the operation could run nine times longer than outlined in their permit filings."