"U.S. farmers and foresters could earn more money from carbon contracts than they pay in higher costs from legislation to control greenhouse gases, the Agriculture Department estimated on Wednesday."

"The Colorado River system -- which 30 million people depend on for drinking and irrigation water -- could fully deplete all of its reservoir storage by the middle of the century, a new University of Colorado study shows."

"World climate negotiators will gather in Bonn next month to edit an 'indigestible' set of proposals into a manageable document for international consideration, the head of a key U.N. panel said on Tuesday."

"Members of the Senate Agriculture Committee will vet options this week for the sweeping energy and climate bill, which they are expected to play a significant role in shaping."

Seeking collaboration on climate change in her visit to India, Secretary of State Hillary Rodham Clinton was met instead with simmering grievances.

The UN-based International Maritime Organisation (IMO), which regulates ocean shipping, agreed Friday to voluntary proposals aimed at cutting carbon emissions.

The cap-and-trade climate bill which is the focus of West Virginia protests is packed with help for the coal industry.

Secretary of State Hillary Clinton's visit to India will bring a $10-billion deal to sell U.S. nuclear reactors to that country -- but probably not break the impasse on whether India will join other nations trying to limit greenhouse emissions.

"A new burst of coal-fired power plant construction now underway -- the largest in decades -- will put 43 new coal plants on American soil in the next five years, and all of them will escape the performance standards written into the climate bill now moving through Congress."

"In addition to weakening Earth’s natural shield against excessive radiation levels, ozone depletion above Antarctica has significantly dampened the Southern Ocean’s ability to absorb atmospheric CO2 and has accelerated acidification of southern polar waters, new research shows."