"Alarmed by latest research, the Obama administration is conducting a broad review of toxic weed killer atrazine that could lead to tighter restrictions."

"After a year of working with environmental groups, government regulators and the chemical industry, a leading advocate for chemical regulation has devised a plan to remake the nation's chemical laws -- a 34-year-old set of regulations that all players agree is outmoded and ineffective."

"Federal officials have moved quickly to clamp down on the use of potent rodent-killing pesticides after one was linked to the deaths of two Utah girls earlier this year. The U.S. Environmental Protection Agency said aluminum and magnesium fumigants can no longer be used near homes."

"The Food and Drug Administration said recent research raises 'valid concerns' about the possible health effects of triclosan, an antibacterial chemical found in a growing number of liquid soaps, hand sanitizers, dishwashing liquids, shaving gels and even socks, workout clothes and toys."

"Chemicals found in food cans, nail varnish and shampoos could be triggering early puberty in girls, putting them at greater risk of cancer and diabetes, scientists believe."

"More than 50 Indiana National Guardsmen have filed a lawsuit in Houston claiming KBR failed to warn them about exposure to carcinogenic chemicals at an Iraqi water facility they were guarding."

The EPA is considering requiring pesticide-makers to disclose often-toxic "inert" ingredients, changing a policy of secrecy that has been in effect for nearly 2/3 of a century.

"Exposure to certain chemicals and pollutants before a woman reaches her mid-30s could treble her risk of developing breast cancer after the menopause, Canadian scientists said on Thursday."