As the 25th anniversary of the nuclear disaster at Chernobyl in the Ukraine arrives, its lessons may remain unlearned.

"Texans pride themselves on being the heart of the nation’s oil and gas business. But even here, public concern about natural gas drilling is growing."

"Some of Britain's most cherished spring visitors are disappearing in their thousands. Ornithologists say species such as the cuckoo, nightingale and turtle dove are undergoing catastrophic drops in numbers, although experts are puzzled about the exact reasons for these declines."

"Federal agencies turned in progress reports to the White House this week on their scientific integrity policies, but officials are saying little about how far along agencies have come in protecting scientists' work from political meddling."

"Alarmed by studies showing children are vulnerable to toxic chemicals found in scores of consumer products, the nation's largest pediatrician group is joining a growing campaign to overhaul how the U.S. regulates hazardous substances."

"It's a volatile time in the state budget process, and North Carolina's main environmental agency can do little but watch as legislators, led by a recently installed GOP majority, work to close an estimated $2.4-billion shortfall through sharp cuts to its budget."

"Gov. Rick Scott authorized state officials Friday to ask the federal Environmental Protection Agency to back off on water pollution rules that Florida business and agriculture interests as well as many local government officials say will be too costly to implement."

"A little-spoken-of war is taking place behind California's fences and property lines – trespassing marijuana growers are setting booby traps, resorting to violence and vandalism, and spoiling the land by stealing water and spraying dangerous chemicals that leach into streams."

"It's gold vs. golden trout. And gold vs. coho salmon. And gold vs. Shasta crayfish. The California Department of Fish and Game is wrestling – under court order – with a new set of rules to control suction dredge mining in the state's rivers and streams."