"Glyphosate, an herbicide and the active ingredient in Monsanto Co's popular Roundup weed killer, will be added to California's list of chemicals known to cause cancer effective July 7, the state's Office of Environmental Health Hazard Assessment (OEHHA) said on Monday."

"The Environmental Protection Agency’s chief of staff pressured the top scientist on the agency’s scientific review board to alter her congressional testimony and play down the dismissal of expert advisers, his emails show."

"The Environmental Protection Agency has given notice to dozens of scientists that they will not be renewed in their roles in advising the agency, continuing a scientific shake-up that has already triggered resignations and charges from some researchers that the administration is politicizing the agency."

"Deep in Gov. Scott Walker’s budget proposal is a seemingly benign item formalizing the transfer of 15 scientists within the Wisconsin Department of Natural Resources."

"Energy Secretary Rick Perry said Monday he does not believe carbon dioxide emissions are the main driver of the earth's record-setting warming, a core finding of climate science."

"Steve Perlman doesn’t take Prozac, like some of the other rare-plant botanists he knows. Instead, he writes poetry. Either way, you have to do something when a plant you’ve long known goes extinct."

"The debate over the future of energy innovation in the United States was renewed on Tuesday when a panel convened by the National Academy of Sciences released an in-depth report praising a key research office that President Trump wants to eliminate."

"In 1933, workers at a plant in Delaware began suffering breakdowns. Enter Alice Hamilton, one of history’s foremost occupational-health detectives."

"Up to seven years of emails that former ExxonMobil CEO Rex Tillerson wrote under the alias 'Wayne Tracker' may have been erased, a company witness has told investigators for the New York attorney general."

"The Food and Drug Administration (FDA) has resumed its first-ever endeavor to evaluate how much of a controversial chemical is making its way into the U.S. food supply. And the tests can’t come soon enough as safety concerns about the herbicide known as glyphosate grow."