Chemicals

"PITTSBURGH -- The U.S. Coast Guard is seeking public comments on a proposal that would allow barges to transport shale gas wastewater, a drilling byproduct that can include chemicals, radioactive material and heavy metals."

"One afternoon last winter, Julie Ellis unfurled a long, white tarp under a stand of trees near Coes Pond where hundreds of crows roost. Her mission: to collect as much bird poop as possible. Back in the laboratory, Ellis’ colleagues combed through the feces. Testing its bacteria, they discovered something unusual -- genes that make the crows resistant to antibiotics."

"More than half of all facilities licensed last year by Texas to carry ammonium nitrate lacked either secure fencing or locked storage areas for the potentially explosive chemical compound."

"The mayor of Kauai County, Hawaii, has vetoed a hotly contested bill that would have restricted the use of pesticides by companies developing genetically modified crops on the island."

"Toxic heavy metals found on the construction site of a planned $55 million replacement for the former Booker T. Washington High School in New Orleans will require the removal of 3 feet of soil in areas that won't be covered by the new building's concrete foundation or parking lots, according to a report submitted on behalf of the Recovery School District to the state Department of Environmental Quality."

"Pesticides, flame retardants and other chemicals used in homes and businesses have been found in San Francisco Bay at levels that could pose hazards to aquatic life if they go unchecked, according to a new report."

"Bisphenol A has gotten a much higher profile in recent years, as the 'BPA-free' label adorns an increasing number of water bottles and baby products. News headlines regularly hint at possible connections between BPA and a lengthening list of health problems. But the ingredient is still common in plastics, food can liners -- and in our bodies."

"Exposure to the pesticide DDT could be playing a role in high rates of obesity three generations later, a new study says."

"BUENOS AIRES, Argentina -- Monsanto Co. is calling for more controls on agrochemicals, including its Roundup line of glyphosate-based weed-killers, in response to an Associated Press report about concerns that illegal pesticide applications are harming human health in Argentina."

"WASHINGTON — America's 12 largest supermarkets and retailers are failing to curb their hydrofluorocarbon emissions, adding large amounts of greenhouse gases to the environment, according to a new report."