NEW YORK, N.Y. -- The voluntary carbon markets defied last year’s deteriorating economy by doubling in size and growing in value, according to the latest research from Ecosystem Marketplace and New Carbon Finance.

WASHINGTON, D.C. -- Sky-high fuel prices, declining energy use and a slumping economy gave the U.S. its largest annual decline in fossil fuel-based carbon dioxide emissions since 1982, when emissions fell 5.3 percent.

WASHINGTON, D.C. -- President Barack Obama puts to rest today a long-running feud between the auto industry, U.S. Environmental Protection Agency and more than a dozen states over the right to regulate vehicle tailpipe emissions.

SAN JOSE, Calif. -- The networking giant yesterday outlined a new IT solution to make the country's electrical infrastructure more energy efficient and responsive while creating thousands of new jobs.

LONDON, UNITED KINGDOM -- An analysis by research firm Verdantix finds that, despite their positive internal efforts to boost energy efficiency and reduce environmental impacts, most telecom companies have done very little to help their clients get greener.

STOCKHOLM, -- Climate-positive means a company’s products help avoid more greenhouse gas emissions than what's produced by the company internally. Research suggests the ICT industry produces about 2 percent of global GHGs, but its products have the potential to reduce emissions in other sectors by more than 15 percent.

WASHINGTON, D.C. -- Reps. Henry Waxman (D-Calif.) and Edward Markey (D-Mass.) formally introduced H.R. 2454, The American Clean Energy and Security Act, today in an effort to have the bill ready for a full vote next week. The bill would reduce emissions 17 percent below 2005 levels by 2020 and give away as many as 85 percent of the cap-and-trade pollution permits for free.

CHICAGO, Ill. -- A coalition of electric utility companies today released a set of voluntary environmental standards aimed at developing and spreading best practices for utilities' suppliers.

DALLAS, Texas -- As the debate over ethanol heats up with creation of a federal biofuels working group and a new Renewable Fuel Standard, a Texas company has made it easier for businesses, farms and municipalities to produce their own.

ATLANTA, Ga. -- The aluminum products and recycling company committed to the 5 percent reduction for its 12 North American facilities, which have already reduced emissions 6 percent since 2003.

ORLANDO, Fla. -- Following Monday’s announcement it will buy Clear Standards, an environmental accounting software company, SAP unveiled its 2008 Sustainability Report today showing the company reduced greenhouse emissions 6.7 percent in 2008.

NISKAYUNA, N.Y. -- General Electric plans to open a $100 million state-of-the-art, heavy-duty battery manufacturing plant just north of New York's state capital, where it is expected to be the core of the firm's new battery business, the company announced today.

MERCED, Calif. -- A new study suggests converting biomass to electricity rather than ethanol is more efficient in terms of “miles per acre” and greenhouse gas emissions.