"Very low doses of some types of the herbicide Roundup can disrupt human liver cell function; the formulations' toxicity may be tied to their 'inactive' ingredients rather than the active weed-killing ingredient glyphosate."

"The manufacturer settles an environmental lawsuit with California over lead used to keep the artificial turf green. AstroTurf and other turf-makers insist their product is safe in California."

"Despite regulations and laws to protect children, Fresno County authorities say school buses are still being exposed to pesticide clouds once or twice a year."

"A Vernon parent is wondering why school playing fields are still being sprayed with pesticides as communities across the country have discontinued using chemicals to control weeds."

"Eighteen cattle likely died of selenium poisoning near a southeastern Idaho phosphate mine, the latest livestock deaths in a region rich in phosphates where a legacy of pollution has killed horses and hundreds of sheep since the 1990s."

"CORPUS CHRISTI -- A fire last month at a local Citgo refinery has focused attention on what is likely the most dangerous chemical used in the refining process."

"A Sacramento judge sided with the styrene industry and against state environmental officials on Wednesday in ruling that the chemical doesn't have to be listed under Proposition 65 as a cause of cancer."

DuPont will try to persuade New Jersey state drinking water regulators to go easy on cleanups of PFOA, a chemical used in non-stick pans -- even before the regulators hear scientific evidence from their own scientists.

"Companies on three continents continue to make and sell consumer paints that contain dangerous levels of lead despite the availability of technology to produce high-quality, low lead paint. A tougher lead paint standard takes effect in the United States later this month, but imported consumer goods may still contain hazardous amounts of lead paint."

"One of the world's most common insect repellents [DEET] acts on the central nervous system in the same way as some insecticides and nerve gases, according to a study released on Wednesday."

A new study finds that rural residents who drink water from private wells are much more likely to have Parkinson's disease, bolstering theories that farm pesticides may be partly to blame.

Both environmentalists and the chemical industry say they want Congress to overhaul the key law aimed at protecting Americans from toxic chemicals in the products they use.

"More than twice as many D.C. children as previously reported by federal and local health officials had high levels of lead in their blood amid the city's drinking water crisis, according to congressional investigators, throwing into doubt assurances by those officials that the lead in tap water did not seriously harm city children."

"In food safety bill, the House gives the FDA a deadline to prove Bisphenol A is safe, or restrict its use in products used by pregnant women, and young children."

"NEW BEDFORD, Mass. -- Noxious fumes at a trash disposal facility sent 119 people to hospitals Monday, including two who were listed in critical condition."