Royal Caribbean Cruises and the corporate parent of Travelocity are among the travel industry heavyweights that are lining up behind standards set by the Global Sustainable Tourism Council.

Although it's a festival of excess in many ways, Super Bowl XLVI, taking place this Sunday, reveals how far the NFL -- and pro sports in general -- has come in considering and trying to reduce their environmental impacts.

California joins New York and Washington in requiring insurers that that write in excess of $300 million in premiums to respond to the National Association of Insurance Commissioners' Climate Risk Survey.

The National Park Service is cutting energy consumption for lighting on the National Mall by as much as 65 percent with the retrofit of 174 street lamps.

To lower its carbon footprint, White Wave Foods is tackling methane emissions, carbon sequestration and utilities, such electricity and gasoline.

After surviving -- and thriving -- in five of the roughest economic years the country has known, there's a lot we should have done differently when we opened the doors of our green packaging company. Here's to helping others repeat the same mistakes.

A new report shows that U.S. cities can save billions in costs -- while cleaning waterways and green neighborhoods -- by leveraging private investment in green infrastructure.

The Princeton Review, Sierra Magazine, and the Association for the Advancement of Sustainability in Higher Education have teamed up to promote a new tool that makes it free and relatively easy for any education institution to report its environmental impacts.

The company has now reduced its global waste generation by 50 percent since 2005, far surpassing a goal to pare down waste by just 15 percent by 2011.

The market for tapping value from recyclable waste streams is caught in a series of binds that keep it from scaling, even though countless companies have achieved major benefits from cutting waste out of the loop.