"Japan will raise the severity rating of a recent toxic water leak at the destroyed Fukushima nuclear plant to level 3, or 'serious incident', on an international scale for radiological releases, underlining the deepening sense of crisis at the site."

"TOKYO -- Contaminated water with dangerously high levels of radiation is leaking from a storage tank at Japan's crippled Fukushima nuclear plant, the most serious setback to the clean up of the worst nuclear accident since Chernobyl."

"DANVILLE, Ill. -- It's been more than two years since Dynegy shut down its coal-fired Vermilion Power Station, but environmental concerns still remain at the idled facility's coal-ash waste ponds that were built next to the Middle Fork River, just upstream of Kickapoo State Park and other protected lands."

"Pending greenhouse gas regulations cloud the future of coal-burning power plants. But electric utilities are investing to keep large facilities going."

"UNITED NATIONS — After months of negotiations, the United Nations announced Wednesday that U.N. experts will depart imminently for Syria to investigate alleged chemical weapons use."

"MONTREAL -- Tests conducted by an environmental group suggest last month’s Lac-Mégantic, Quebec, train disaster had a devastating impact on water quality and soil in the affected area."

"Kerri was 4 when she started having trouble walking. Justin was 5 when he got a nosebleed that would not stop. Danielle was 7 when her legs began to ache."

"MARSHALL, Mich. — As the Obama administration inches closer to a decision on whether to approve construction of the much-debated Keystone XL pipeline, costly cleanup efforts in two communities stricken by oil spills portend the potential hazards of transporting heavy Canadian crude."

"MAYFLOWER, Ark. -- In the week after an oil spill strangled the air in Ann Jarrell's neighborhood, tens of thousands of her bees either died or went mad."