In a worst-case scenario, the June 21 Philadelphia refinery explosion could have released a cloud of deadly hydrogen fluoride gas that could travel for seven miles and threaten more than a million people.

"A new assessment from the agency downplays the risks of ethylene oxide, a known carcinogen."

"The Environmental Protection Agency rejected a petition by environmental and public health groups Thursday to ban a widely used pesticide that has been linked to neurological damage in children, even though a federal court said last year there was “no justification” for such a decision."

"After a 19-year legal struggle, three former makers of lead paint have agreed to a $305 million settlement with California county and city governments to mitigate poisoning dangers still present in old housing."

"Iron particles released by industrial activities are falling into the seas in greater quantities than previously thought".

"New research shows that the extreme weather and fires of recent years, similar to the flooding that has struck Louisiana and the Midwest, may be making Americans sick in ways researchers are only beginning to understand."

"A federal judge on Monday slashed a damages award Bayer AG owed a California man who blamed Roundup weed killer for his cancer, to $25.27 million from $80.27 million, while rejecting the company’s bid for a new trial."

"The Environmental Protection Agency approved broad new applications Friday for a controversial insecticide, despite objections from environmental groups and beekeepers who say it is among the compounds responsible for eviscerating the nation’s bee populations."

"One day after President Trump delivered a speech preaching of his administration’s environmental achievements, he threatened to veto a military spending bill in part due to provisions that aim to clean up a toxic, cancer-linked chemical found near military bases."

"In this Louisiana parish, residents are already surrounded by industrial plants and factories. They’re desperate to stop a new plastic company."