"A CSX freight train derailed in northeastern Washington [DC] on Sunday, spilling hazardous material near a subway station and disrupting commuter rail and long-distance Amtrak passenger trains but causing no injuries, authorities said."

"The quest for answers for thousands of veterans sickened -- in some cases terminally -- by contaminated water at Camp Lejuene has been stymied by a federal agency that refuses to hand over key documents, attorneys from Yale Law School charged Wednesday."

"Amid growing concern that flame retardants are responsible for elevated cancer rates in firefighters, Massachusetts lawmakers are pushing legislation that would go further than any other state’s in banning the use of chemicals meant to slow the spread of fires."

"Hundreds of industrial facilities across Texas are illegally spewing millions of pounds of toxic pollutants into the air each year when they break down or perform maintenance, and state environmental regulators are not adequately policing the rogue emissions, according to a new report."

"The death toll from a huge explosion at a Mexican petrochemical plant that forced the evacuation of surrounding neighborhoods has risen to 24, authorities said."

"A massive explosion rocked a major petrochemical facility of Mexican national oil company Pemex in the Gulf state of Veracruz on Wednesday, killing at least three people, injuring dozens more, and pumping a cloud of noxious chemicals into the sky."

"The European commission has ordered a ground-breaking moratorium on two endocrine-disrupting weedkillers that have been linked to thyroid cancer, infertility, reproductive problems and foetal malformations."

"New Hampshire says emissions of a chemical used to make Teflon coatings may be the source behind the contamination of more than 40 wells in several towns."

"New study shows that consumption of fast food is linked to higher levels of phthalates, the chemicals used to produce many plastics."