"Some bomb-sniffing dogs trained to help fight terrorism are turning their olfactory attention toward a different scourge: Burmese pythons in Florida's Everglades National Park."

"A decade after landmark toxic-air monitoring prompted a city crackdown on chemical emissions, a new analysis shows significant improvement in some areas — but still cause for concern in neighborhoods near western Louisville’s Rubbertown industries."

"Residents waiting to learn whether their property was contaminated by an insecticide manufacturing plant in their Park Hill neighborhood want to know why it took officials about 25 years to begin testing the soil in and near what has become the city's newest Superfund toxic waste site."

A coal-fired power plant in Georgia has neighbors worried about the consequences of its ash-disposal pond.

"Critics say the measure allows public school teachers to challenge the topics without fear of sanction. Gov. Bill Haslam expresses misgivings about the law."

"ATLANTA -- Clean air advocates and environmental groups won a victory Monday when the utility consortium Power4Georgians agreed to cancel its proposal to build a coal-fired power plant near Fitzgerald in Ben Hill County, Georgia."

"With pastures withered from a lingering drought, farmers in Texas and northwest Louisiana have abandoned donkeys by the hundreds, turning them into wandering refugees that have severely tested animal rescue groups."

"State legislature gives legal protection to teachers who do not believe in the science and want to debate alternate explanations."