"The U.S. Environmental Protection Agency has proposed stricter requirements to avoid exposure to pesticides on farms, leaving farmers and officials divided about whether they go too far or provide needed protection."

"Indications are growing that some of the most comfortable resting places in your home – your couch, your bed’s mattress – could be a health hazard."

"John D. Rockefeller built a vast fortune on oil. Now his heirs are abandoning fossil fuels."

"In October 2012, Superstorm Sandy wreaked major havoc on the United States, causing 117 deaths and leaving $62 billion worth of damage in its wake when it passed through New York and New Jersey. But Sandy wasn't the strongest storm ever to hit that region, and there is the potential for other, much bigger storms to strike, a new report warns."

"A Reuters analysis finds that flooding is increasing along much of the nation’s coastline, forcing many communities into costly, controversial struggles with a relentless foe."

"President Barack Obama will highlight strides the United States has made on climate change when he addresses a major U.N. climate summit next week, senior administration officials said on Thursday."

"The Obama administration on Thursday announced measures to tackle the growing threat of antibiotic resistance, outlining a national strategy that includes incentives for the development of new drugs, tighter stewardship of existing ones, and improvements in tracking the use of antibiotics and the microbes that are resistant to them."

Researchers are finding increasing evidence that environmental factors -- ranging from exposure to toxic chemicals to physical and mental exercise -- can have important effects on aging brains. While older people may have a surprising capacity for neurological regeneration, chemical exposures (even exposures earlier in life) have been linked to neurological disorders such as Alzheimer's and Parkinson's diseases.