"Chevron ignored potentially life-threatening dangers to workers at its Richmond refinery and should pay a record fine of nearly $1 million stemming from the fire there in August, state regulators said Wednesday."

"Did you have a nasty case of food poisoning this year? Chances are that fruit or vegetables were the culprit."

"Changes in the climate are happening much faster than animals are able to respond."

"We’ve come a long way since the days when kids played in clouds of DDT, gas stations sold leaded gasoline, and smoking near youngsters was commonplace."

"It's a lake, yes. But it's also a bomb. Those pale blue blobs, stacked like floating pancakes down at the bottom of this photograph? They're astonishingly beautiful, yes, but they can be dangerous."

"Butterflies from the southern US that used to be rare in the northeast are now appearing there on a regular basis. The trend correlates to a warming climate report the authors of a paper in Nature Climate Change."

"Powerful winds and a tornado spawned by a 1,000-mile-long storm system pounded communities in northwest Georgia on Wednesday, overturning dozens of vehicles and trapping residents."

"The U.S. Environmental Protection Agency banned 12 rodent poisons made by the United Kingdom-based Reckitt Benckiser Inc. because the products failed to abide by safety regulations, the agency announced Wednesday."

"A report by two energy-consulting firms says the US government has not protected US taxpayers well enough against the risks of federal loan guarantees to a new nuclear power project."