"As Democratic presidential hopefuls prepare for their first 2020 primary debate this week, 74 medical and public health groups aligned on Monday to push for a series of consensus commitments to combat climate change, bluntly defined by the organizations as “a health emergency.”"

"An explosion and fire at Philadelphia Energy Solutions refinery has people concerned about hydrogen fluoride."

"Andrew Wheeler, administrator with the Environmental Protection Agency, and Housing and Urban Development Secretary Ben Carson recently announced tighter standards for lead on window sills and the dust on your home floor."

"EPA plans to move staff from a Houston regional laboratory to another facility 400 miles away."

"An explosion ripped through a refinery in South Philadelphia early Friday, lighting up the night sky and triggering a massive fire. No injuries were reported and it appears firefighters have contained the blaze."

"In 1969, Cleveland's Cuyahoga River burned for the last time. It was a short blaze, under control within 30 minutes and fully extinguished within two hours."

"The potentially deadly disease is caused by a soil-borne fungus made worse by rising rates of dust storms. In California’s Central Valley, farmworkers are bearing the brunt of the problem."

"Last week, we learned that the Food and Drug Administration had detected PFAS compounds in pineapple, sweet potato, meat, and chocolate cake. ... [I]t has become clear that 3M, the company that originally developed PFOS and PFOA, had known for a very long time that these toxic and persistent chemicals were in our food."

"Prosecutors dropped all criminal charges Thursday against eight people in the Flint water crisis and pledged to start from scratch the investigation into one of the worst man-made environmental disasters in U.S. history."

"Pot prohibition is gradually lifting, but state and federal growing guidance is lacking. EHN visited West Coast growers committed to nudging the fledgling industry in a chemical-free, Earth-friendly direction."