I am more cynical on this matter. Every corp is talking about "going green" nowadays but how many of them are genuinely behind it and ready to invest on "going green"? Cutting electricity cost is one thing but does it provide a sound financial sense for a CEO or CFO to approve a bill that might cost much higher than the electricity savings aggregated over a period of time? I am not sure. A cover story in Business Week has provided some insights: http://www.businessweek.com/magazine/content/07_44/b4056001.htm?chan=search
