Methane from cows and pigs won't be regulated under proposed legislation aimed at limiting U.S. greenhouse gas emissions. Even though the EPA has said it has no plans to regulate the gas, worries over the idea of a "cow tax" prompted the exclusion.

90% of toxic pollutants released in North America can be traced to 30 substances in 15 industries, and the U.S. petroleum industry is responsible for 25% of the toxic pollutants, according to a report released by Commission for Environmental Cooperation

A rising green economy offers exciting new employment opportunities with these green jobs.

San Francisco's Board of Supervisors voted today to require all businesses and residences to recycle and compost their garbage or face fines, which could lead to a lien on their property.

Is there any truth to the rumor about high levels of birth control chemicals being found in some cities' drinking water? If so can these be filtered out?

Cheese graters, handbags, fencing and recliners are just some of the thousands of consumer products that have been manufactured with radioactive metals, according to U.S. Nuclear Regulatory Commission (NRC) records.

Is clean coal a myth or reality? Maybe the answer isn't as cut and dry as we think.

A recent Kaiser Family Foundation study found that kids spend, on average, more than six hours per day with electronic media.

If you want to hit national parks this summer, try some of the hidden gems in the Park Service's collection.

We've all seen that little triangle on products and packaging, but who created it?