MIT Sloan Management Review

Sign of the times: In a wide-ranging speech on energy policy, a leading U.S. energy executive discusses the need to place some type of price on carbon dioxide emissions.

More and more large public U.S. companies are reporting on their sustainability efforts. According to a recent report from the Sustainable Investment Research Analyst Network (SIRAN), 86% of the Standard & Poor's 100 companies had sustainability information on their websites by the end of 2007,  up from 58%  in the middle of 2005.Â

This month's Strategy+Business contains a beautiful, must-read article co-authored by MIT Sloan School's Peter Senge (with Bryan Smith of York University's Sustainable Enterprise Academy and Nina Kruschwitz).Â

"By-product synergy networks" and "industrial symbiosis" are not exactly catchy terms — but they describe an idea that's getting increasing interest in both the business and academic worlds.

Looking for the next big opportunity in energy entrepeneurship and venture capital investing? Think water,  argues Bill Aulet, a senior lecturer at the MIT Sloan School of Management and Entrepreneur- in-Residence at the MIT Entrepreneurship Center, in an article on the Xconomy website.Â

Managers should consider three economies — consumer, emerging, and survival —when evaluating new business opportunities.

Assessing the value of information technology (IT) has never been easy. Delayed benefits, unintended uses, business changes, and hidden support costs inhibit meaningful evaluation of individual IT investments. This was true when most investments were focused on the support of a single business process or functional area.