"A St. Louis County jury has found that Monsanto is not liable in a series of deaths and illnesses suffered by people who were exposed to the PCBs manufactured by the company until the late 1970s."

"The tiny federal agency that has urged big reforms in how California regulates oil refineries is in disarray."

"A CSX train car carrying hazardous material derailed and caught fire in the middle of the night in eastern Tennessee, forcing the evacuation of thousands of people and sending dozens to the hospital with respiratory issues and nausea."

"The Obama administration moved Thursday to restrict the use of hydrofluorocarbons (HFCs), the most potent greenhouse gases emitted by human activity."

"A helicopter pilot who repeatedly flew over Curry County homes while spraying herbicides on clear cuts in 2013, drawing 20 complaints of illness, will not face any monetary fine from the state."

"A chemical used in sodas and some laxatives for years assumed safe by federal health officials might make people more prone to obesity."

MARYVILLE, Tenn. -- "A CSX tanker car carrying acrylonitrile caught fire just after midnight Thursday morning forcing the evacuation of more than 5,000 people in an expanding evacuation zone last listed as a 2-mile radius around the site."

"Use of the third most popular pesticide in the U.S. is predicted to grow dramatically in the next few years."

"The fields are heating up, there are little black rubber pellets everywhere, and feet are covered with blisters."