"Wheat prices rose Wednesday as the hot, dry summer continued to take its toll on crops in the U.S. and Russia."

"Scientists say that the latest observations suggest that Arctic sea ice cover is continuing to shrink and thin."

"WASHINGTON — A federal appeals court on Tuesday upheld a finding by the Environmental Protection Agency that heat-trapping gases from industry and vehicles endanger public health, dealing a decisive blow to companies and states that had sued to block agency rules."

"Sea levels are rising much faster along the U.S. East Coast than they are around the globe, putting one of the world's most costly coasts in danger of flooding, government researchers report."

"Anchorage is one of the few North American cities that depend on a glacier for most of their drinking water. The Eklutna glacier also provides some of the city's electricity, through hydro power. So a team of researchers is working to answer a very important question: How long will the glacier's water supply last?"

"MONTPELIER, Vt. -- While skeptics can go on denying climate change, gardeners know better. In our little patch of this globally warmed world, a century or more of accumulated growing wisdom is being thrown out the greenhouse door with bathwater and baby."

"UCLA researchers say the number of days topping 95 degrees each year will jump by as much as five times. The study could help local governments prepare for extreme temperatures and reduce risk to residents, L.A. Mayor Antonio Villaraigosa says."

"A report finds that injecting carbon dioxide into underground rock formations, while a potential means of fighting global warming, could increase stresses on faults, leading to earthquakes."