WASHINGTON, D.C. -- More than two-thirds of S&P 500 companies fail to even mention risks presented by global warming in their annual reports, while just 5 percent lay out a strategy for mitigating those risks, according to a study by investor group Ceres, the Environmental Defense Fund and the Center for Energy and Environmental Security.

The director of MIT's Engineering Systems Division and Center for Transportation and Logistics explores how the economic crisis pushes matters of environmental sustainability to the back burner -- and how it doesn't.

A reader writes back: Blogger Jesse Jenkins, aka Watthead, responds to the post "Beware of Obama's 'Battery Gold Rush' " and argues that more government engagement is essential to spur a clean energy revolution.

With the announcement on June 1 that General Motors will file for Chapter 11 bankruptcy protection, hybrid car enthusiast blogs are a-buzz with the fate of the Chevy Volt, a gasoline-electric plug-in hybrid, slated to roll off the assembly line in November of 2010.

The Chesapeake Fund was launched earlier this year to jump-start the reduction of one million pounds of nitrogen annually in "hotspots" around the Chesapeake Bay watershed by channeling investments from nitrogen offsets into conservation and restoration practices.

In theory, free money in the form of grants, rebates and incentives to help businesses become more efficient is everywhere. But in reality, how do you get your piece of the pie?

To help businesses win grants to make their operations easier, we asked industry experts for advice on finding and securing the best grants and incentives.

Investors are flocking to companies providing climate change products and services, but it isn't always easy for privately-held businesses to tap the stream of investment dollars.

Joel Makower writes from the annual gathering convened by the cleantech venture fund VantagePoint Venture Partners, which is meeting in Northern California's wine country this week.

OAKLAND, Calif. -- The vice president detailed a $300 million dollar investment plan for stimulus funds to improve cities' public transit and vehicle fleets, while the National Conference of Black Mayors unveiled a comprehensive "Green the City" initiative.

Tuesday's Investors' Circle conference in San Francisco kicked off with a panel discussion on the prospects for social enterprise, bringing in voices from policy, academia, journalism and socially responsible investing (SRI).

The General Services Administration, the U.S. government's facilities manager, is among the first federal agencies to disseminate green stimulus dollars for the real estate sector. Leanne Tobias takes a look at the GSA's ambitious $5.55 billion green facilities initiative.

We've been dealing with economic and climate problems in a manner similar to the wise men in Isaac Bashevis Singer's stories: Instead of filling in a dangerous pothole, we've decided to build a hospital alongside of it to treat those injured. At today's closing panel at the Ceres Conference, experts weighed in on how we might rebuild a capitalist economy for sustainability and what went wrong