"WASHINGTON, DC -- The same 'man-made' problems underlying last year's nuclear disaster in Japan exist today in the United States, warn five U.S. groups responding to the Fukushima Nuclear Accident Independent Investigation Commission's report to Japan's Diet, or parliament."

"LOS ANGELES -- US nuclear regulators published an update on California's troubled San Onofre power plant Thursday, sparking an expert warning that the problem is more serious than first thought."

"Senior environment officials from the United States, Mexico and Canada meeting in New Orleans on Wednesday were briefed on environmental concerns facing homeland communities, including indoor air pollution in Alaska, protecting freshwater sources from sewage and other pollutants in Mexico, and the impact of climate change already on First Nation villages along the Arctic Circle."

"The wind power industry, which has been one of the nation’s fastest growing energy sectors, is facing layoffs and factory closings as a federal subsidy nears an end."

A Colorado family typifies a growing number of Americans whose health may be put at risk by the drift of pesticides from their neighbors' fogging activities. But neighbors doing the fogging say they, too, are acting to protect their health. A judge ruled this month that pesticide drift can be a form of trespass.

"For salmon trying to make it upriver to spawn before a hot summer hits, slow and steady loses the evolutionary race. Salmon DNA records stretching back over 30 years show that nature has increasingly selected for fish that migrate from the ocean earlier in the year. It is among the first pieces of genetic evidence that climate change is driving the evolution of a species."

"The U.S. has long used more energy for air conditioning than all other nations combined. But as demand increases in the world’s warmer regions, global energy consumption for air conditioning is expected to continue to rise dramatically and could have a major impact on climate change."

"Until now, scientists could only guess at the amount of plastic waste in the Great Lakes. This week, a team of researchers sets sail to conduct the first-ever survey of plastic pollution in the world’s largest fresh water system."

"Evidence showing that cap and trade can bolster a new revenue stream has some state and federal officials quietly seeking answers."

"HOUSTON -- A Texas judge has ruled that the atmosphere and air must be protected for public use, just like water, which could help attorneys tasked with arguing climate change lawsuits designed to force states to cut emissions."