"The U.S. Environmental Protection Agency on Tuesday announced it will conduct a broad investigation of flame retardants that a Tribune series identified as examples of the government's failure to protect Americans from toxic chemicals. Meanwhile, the head of the Consumer Product Safety Commission urged lawmakers to grant special authority that could speed the removal of hazardous flame retardants from new upholstered furniture, including sofas that can contain up to 2 pounds of the chemicals in their foam cushions."

"From now on, U.S. manufacturers may no longer produce polycarbonate baby bottles and sippy cups (for toddlers) if the clear plastic had been manufactured from bisphenol A, a hormone-mimicking compound. Long-awaited, the announcement is anything but a bold gesture. The Obama administration decided to lock this barn door after the cow had died."

"A resin in the most commonly used white composite dental fillings may be linked to subtle neuropsychological deficits in children."

"Chemicals commonly found in beauty products such as nail polishes, hair sprays and perfumes may increase risk of diabetes for some women, new research suggests."

"Federal investigators seeking the cause of a North Side train derailment are taking a close look at the tracks, after early scrutiny of the crew's actions and the train itself revealed no glaring problems."

"WASHINGTON -- A U.S. senator questioned federal environmental health officials at a hearing Thursday about what is being done to address lead poisoning risks posed by contaminated soil around hundreds of old lead factory sites featured in a recent USA TODAY investigation."

A Colorado family typifies a growing number of Americans whose health may be put at risk by the drift of pesticides from their neighbors' fogging activities. But neighbors doing the fogging say they, too, are acting to protect their health. A judge ruled this month that pesticide drift can be a form of trespass.