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Last week, the EPA unveiled rules that establish the first national limits on power plant emissions of a host of poisonous airborne pollutants. It's estimated that they'll save the country billions of dollars in health care costs.

From Herman Cain's 9-9-9 plan to Ron Paul's proposal to nix the income tax, the GOP presidential candidates have floated a range of ideas for jump-starting the U.S. economy. But will any of them jump-start your home's economics?

Just in time for the Fourth of July holiday weekend, the environmental watchdog group Natural Resources Defense Council released its 21st annual report card of 200 of the nation's cleanest and dirtiest beaches based on water quality. While vacationers who booked beach places months in advance for...

The Supreme Court kept up its corporatist streak Monday, handing down two key decisions that were certain to please the Chamber of Commerce. The first helped Wal-Mart quash a massive class action sex discrimination suit; the second stopped states from suing power companies over greenhouse gas emissions.

Mother Earth is getting a little bit of relief as more companies yield to pressure from environmentalists and activist shareholders to reduce their carbon footprints. But Gaia isn't the only one who's benefiting: Just ask some of the companies that have saved serious greenbacks by going green.

As the crisis at Japan's Fukushima Daiichi nuclear plant continues, some worry that radiation from the damaged reactors will reach U.S. shores. Dr. Edward Maher, president of the Health Physics Society, and an environmental science expert at Harvard, explains why we should breathe easy.

Chrysler has finally decided to jump on the hybrid bandwagon, announcing Wednesday that it is working with the EPA to develop a hydraulic hybrid powertrain for its vehicles. The system, which stores energy derived from vehicle braking as pressure, could improve fuel economy by 30% to 35%.

Future longhaul trucks, school buses and large pickup trucks will be required to cut fuel consumption and emissions by 10 to 20 percent under first-ever fuel efficiency plans for trucks released Monday by the Obama administration.

The government will raise the limit on ethanol concentration in gasoline for some cars. The Environmental Protection Agency will raise the limit to as much as 15%, from the current 10%, for vehicles made in 2007 or later, Bloomberg News said without naming its sources. Sponsored Links Ethanol...

If a proposed new Environmental Protection Agency grading system of automobile fuel efficiency was in place today, the industry's report card would look pretty dismal: fewer than 1% of 2010 vehicles would get an A. A Consumer Federation of America analysis says that 0.5% of vehicles received an A,...