"In a new study, hairdressers who often used light colored hair dyes or hair-waving products on clients had more potentially cancer-causing compounds in their blood than hairdressers who used the chemicals less frequently."

"Decades of shortsighted decisions by industry and government have put the Mississippi River’s future at risk, and degradation at its southern Louisiana delta is contributing to 'the greatest land loss on the planet,' a five-state environmental coalition warned Wednesday."

"Americans are willing to bear the costs of combating climate change, and most are more likely to support a candidate seeking to address the issue."

"Pesticide use is surging among U.S. corn farmers who are worried that some insects have become resistant to genetically modified versions of the crop."

"A U.S. federal judge has denied ExxonMobil Corp's bid to dismiss a government lawsuit and instead ordered the oil giant to hand over documents going back decades on a pipeline that ruptured last year and inundated an Arkansas town with oil."

"Shipping coal to China could wipe out the benefits of Obama’s climate-change policy."

"Federal officials on Tuesday announced major changes in advice to pregnant and breastfeeding women by recommending consumption of at least 8 ounces of low-mercury fish per week."

"Last week, the Obama administration announced historic regulations to limit carbon dioxide emissions. Policies to address climate change have been a tough sell among some Republicans on Capitol Hill, but also in many Christian congregations around the country."

"The U.S. Supreme Court ruled Monday that a federal law seeking to improve accountability for environmental spills and pollution can be circumvented by certain kinds of state laws."

"The U.S. Supreme Court on Monday declined a request from BP to block payments to businesses while the oil giant appeals its 2010 Gulf of Mexico disaster settlement. For the time being, the decision upholds the ruling by the U.S. 5th Circuit Court of Appeals in New Orleans that under terms of the settlement, businesses claiming damages from the undersea eruption need not prove direct harm."