"The U.S. Environmental Protection Agency says it will take steps to remove 20 rodent control products from the marketplace because they contain toxic chemicals."

"The Environmental Protection Agency on Thursday released the outlines of its long-awaited probe into whether hydraulic fracturing -- the unconventional drilling technique that's led to a boom in domestic natural gas production -- is contaminating drinking-water supplies. Investigators will try to determine the impact of large-scale water withdrawals, aboveground spills of drilling fluids, and the fracturing process itself on water quality and quantity in states where tens of thousands of wells have been drilled in recent years."

"Dozens of chemical companies and other industrial firms worldwide were hit this summer by highly focused cyberattacks controlled by Chinese hackers, according to a new report."

"A coalition of health campaigners on Tuesday urged a boycott of Johnson & Johnson until it removes from its baby shampoo a preservative considered by the government to be a possible trigger for some cancers and skin allergies."

"A federal judge [Monday] upheld new rules designed to protect West Coast salmon and steelhead from three widely used farm pesticides."

"The Interior Department plans to issue a proposal soon forcing companies to reveal the chemicals they use in the so-called fracking drilling process on federal lands, as the Obama administration responds to public safety concerns over the shale exploration boom."

"Maryland's highest court struck down Monday a key provision of state law that shielded owners of older rental housing from civil lawsuits -- and potentially costly payments to victims -- if they took precautions to protect children in their units from lead-paint poisoning."

"The headlines have focused on Frisco, where a battery-recycling plant emits too much lead. But the dangers go far beyond Frisco’s backyard. In cities such as Dallas and Fort Worth, particles from leaded gasoline banned decades ago still contaminate the soil."