Two retired outdoorsmen -- with help from water researchers -- are testing streamwater in western Pennsylvania. They are struggling to get EPA attention to chemicals they fear could be related to the fracking boom.

"Community advocates are outraged that a contaminated playground at a Newark public housing complex remained open, allowing children to be exposed to dangerous levels of lead."

"An international team of experts reported [Tuesday] that evidence linking hormone-mimicking chemicals to human health problems has grown stronger over the past decade, becoming a 'global threat' that should be addressed."

"Are people exposed to doses of bisphenol A in their canned foods and other consumer products that can harm them? Or are the amounts too low to cause any harm? This is the crux of a vehement debate that is being waged as federal officials are trying to decide whether the chemical, known as BPA, should be regulated."

"Fewer bees are available to pollinate California's growing almond crop. Beekeepers in the US have fewer bees this year because of drought and ongoing colony collapse disorder."

Are people exposed to doses of bisphenol A in their canned foods and other consumer products that can harm them? Or are the amounts too low to cause any harm? This is the crux of a vehement debate that is being waged as federal officials are trying to decide whether the chemical, known as BPA, should be regulated."

"What happens to fish that swim in waters tainted by traces of drugs that people take? When it's an anti-anxiety drug, they become hyper, anti-social and aggressive, a study found. They even get the munchies."

"A new federal advisory panel report makes a forceful case for more research into environmental causes of breast cancer, which was diagnosed in 227,000 women, killed 40,000 and cost more than $17 billion to treat in the United States last year."