"Pediatricians and public health advocates are working to revive programs to protect children from lead poisoning, after what they describe as a series of devastating blows to their efforts."

"SAN FRANCISCO — In the coastal redwood forests of central California, scientists trying to unravel the mystery surrounding the reproductive problems of dozens of endangered condors think they have uncovered the culprit: the long-banned pesticide DDT."

"Prodded by health and environmental advocates, Wal-Mart Stores announced Thursday that it will require suppliers to disclose and eventually phase out nearly 10 hazardous chemicals from the fragrances, cosmetics, household cleaners and personal care products at its stores."

"WASHINGTON, DC -- The U.S. Environmental Protection Agency scientist who first revealed the dangers of toxic dust at the World Trade Center disaster site has received a second notice of proposed removal from her job more than a year after a federal civil service court ordered her returned to work."

"As he waits for crabs to take his bait, the Cambodian man explains his approach to eating seafood out of the Duwamish River. 'If it comes up black ... I throw it back,' he says. 'But if it looks normal, that means it just swam up from the Sound. It’s OK to eat.'"

"BP Plc faces the first of almost 48,000 toxic exposure claims from neighbors of a Texas refinery who say they’ll give the billions of dollars in punitive damages they’re seeking to charity if they win at trial."

"Oil industry lobbyists sought to gain an exemption from the leading California environmental law as they pushed back against legislation mandating oversight of hydraulic fracturing, multiple people familiar with the activities said."

"Procter & Gamble is phasing out the use of two chemicals by 2014 from its beauty and personal care products. Activist groups have targeted P&G and other manufacturers of consumer products to end the use of phthalates and triclosan, chemicals that advocates say have been linked to birth defects and infertility."

"WASHINGTON -- The Environmental Protection Agency this week quietly withdrew two draft rules dealing with the regulation of chemicals. The potential rules were in limbo at the Office of Management for several years."

"Arsenic in rice occurs at such low levels that it poses no short-term health threat, Food and Drug Administration says, although it is still studying long-term effects. The arsenic in rice is thought to come from water on the ground, which is where rice is grown."

"Emissions from battery recycler Exide pose a 'chronic hazard' to more than 250,000 people in surrounding areas, air district officials say. Risks include neurological changes in children."

"Fearing the city's primary drinking water source could be at risk of contamination in the years ahead, Ann Arbor officials took action Tuesday night to send a message to the state."

"Prescription drugs are contaminating Lake Michigan two miles from Milwaukee’s sewage outfalls, suggesting that the lake is not diluting the compounds as most scientists expected, according to new research."

"SAN FRANCISCO -- The use of pesticides and the planting of genetically engineered crops on U.S. national wildlife refuges are illegal and damaging to the environment, say four advocacy groups who have filed a federal lawsuit to halt these practices on national wildlife refuges across the Midwest."

The small Michigan town of Mancelona is the site of one of the nation's largest underground plumes of the toxic industrial solvent trichloroethylene. Wells dug to supply uncontaminated water are now themselves threatened.