Plenty of technology and IT vendors tell you they're the greenest companies on the planet. Apple, though, recently updated its Web site to reveal in great detail exactly where its greenhouse emissions come from --- and to provide information about the the environmental impacts of its products. Read More

In a wide-ranging and in-depth 90-minute conversation with Joel Makower, Rand Waddoups, Walmart's Senior Director for Sustainability explores the knowns and unknowns driving the retailer's Sustainability Index. Read More

Oct. 1 marks the official start of the first phase of Walmart's Sustainability Index, which offers both a huge business opportunity for suppliers and a potentially huge environmental business for the bumper crop of consulting and accounting firms springing up to help them navigate the journey. Read More

Most of us in the design and construction industry share the widespread belief that technology can rescue us from any challenge we face. But we must understand that technology alone won’t be enough to avert catastrophic changes in the earth. Read More

To help firms benchmark their fleets, EDF recently surveyed the 300 largest in the U.S. and Automotive Fleet & Leasing Association members. EDF released survey results today and provides a way for others to see how their fleets measure up. Read More

With their neck-and-neck scores in Newsweek's new green rankings, the two shipping companies' ongoing rivalry continues to heat up. Read More

One aspect of Newsweek's just-released rankings of 500 leading companies' environmental policies and performance is to view the list from an investor perspective. Specifically: Who are investors in the worst-ranked companies? Read More

FPL doesn’t attract much attention, but with 2008 revenues of more than $16 billion, about 39,000 megawatts of generating capacity, and more than 15,000 employees in 27 states and Canada, the company has become a leading generator of low-carbon energy. Read More

A near-Herculean effort, Newsweek's new list of the greenest companies in the S&P 500 Index may be imperfect -- and are sure to be debated -- but they may also be the best effort to date to assess the mainstream corporate marketplace in the U.S. Read More

Steve Wasik apologizes for not revealing the presence of bisphenol A in early models of his company's reusable water bottles, and explains how being a green CEO means much more than just environmental stewardship. Read More