Chemicals

"Railroad companies are pressing federal regulators to cut back on trains carrying hazardous materials through urban areas, saying they fear a catastrophic release of toxic chemicals in a large city."

"Critically ill newborns may help researchers figure out whether children are at risk from plastic additives called phthalates."

EPA has found suspect materials in a small sample of Chinese-made drywall that some believe may be causing corrosion in homes and possibly sickening people.

West Virginia's environmental agency says it's OK for fish there to contain more mercury than the federal EPA recommends -- because West Virginians consume less fish than the national average.

"Fighting off shareholders’ environmental resolution, Dow cites inaccurate information in its SEC filing"

Some parents, activists, and health experts are worried that the ground-up used tires in artificial turf may harm kids who play sports on it.

E-mails obtained by the Milwaukee Journal Sentinel show that the FDA relied on chemical industry lobbyists to examine bisphenol A's risks, track legislation to ban it and even monitor press coverage.

"A lawsuit against DuPont Co. claiming its nonstick Teflon cookware coating could pose health risks to users has been dropped."