"A new report from the Government Accountability Office elevates the problem of looming gaps in satellite weather data to a 'high risk' concern for the federal government."

"BOSTON -- Exposure to lead—so toxic—is a problem of the past, right? Wrong. Since the U.S. took lead out of gasoline in 1976 and banned lead paint in 1978, most health scientists, regulators and the public have considered the problem largely solved. But ongoing testing shows that even though the average concentration of lead in the American bloodstream has dropped by a factor of 10 since the late 1970s, the levels are still two orders of magnitude higher than natural human levels, which have been determined by studying skeletal remains of native Americans dating to before the industrial revolution."

"U.S. farmers will plant crops this spring under the shadow of a persistent drought that grips prime farmland from the mississippi river to the rocky mountains, with grain supplies already tight from drought losses in 2012."

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."