"SANTA TERESA, N.M. -- An unknown hazardous material sickened about 200 people Tuesday just northwest of El Paso, Texas, as some workers in the industrial area where the substance released described feeling a burning sensation on their skin, according to New Mexico authorities."

"TEXAS CITY — A fire at BP's Texas City refinery sent a large plume of black smoke over the industrial sector of the city. The fire broke out at about 1:30 p.m. and was out by 3:05 p.m., BP officials said."

"BEIJING — A week of protests against the planned expansion of a petrochemical plant in the port city of Ningbo turned violent on Friday and Saturday when demonstrators attacked police cars and tossed bricks and water bottles at officers, according to accounts from participants posted on the Internet."

"Set aside the science lessons. The fight over fluoride is as much or more a clash of philosophy."

"In an effort to block a ballot measure in California that would require the labeling of genetically modified foods, shape a Senate race in Ohio with potential repercussions for fracking, and influence a host of House contests key to toxic chemical reform -- the chemical industry has been busy wielding its wallet, say environmental advocates."

"Researchers say that some chemicals have unexpected and potent effects at very low doses — but regulators aren't convinced."

"Pesticides used in farming are also killing worker bumblebees and damaging their ability to gather food, meaning colonies that are vital for plant pollination are more likely to fail when they are used, a study showed on Sunday."

"Hair stylist Natalija Josimov combed the straightening solution through her client's hair. She snapped on the blow dryer, and a plume of white vapor wrapped them in a toxic cloud."

"Hundreds of Peruvian farm workers, the majority of them women, became sick after inhaling a pesticide sprayed on a nearby field, the state-run Andina news agency reported."

"LOS ANGELES — Federal regulators failed to pursue recalls after they found cadmium-tainted jewelry on store shelves, despite their vow to keep the toxic trinkets out of children's hands, an Associated Press investigation shows."