Newsweek recently listed their Corporate Green Rankings (a somewhat random roll call of the big guys - so, let's call the list "greenie meanie miney mo"). The green-washing is interesting... just keep in mind the opinions of smart outsiders who are NOT invested - like watch dog Good Magazine - see their less than supportive assessment here
Windvertising
I spent last week traversing Times Square around Advertising Week and noticed Ricoh's sign on 42nd and 7th being powered by WEPower's vertical access branded turbines (yes, BRANDED turbines!) - 100% alternative energy powered - way cool. The benefit beyond PR and bragging rights ... they are saving 18 gazzilion turbo flux capacitor grams of carbon... or something that sounds like a lot!
Here is the NYT coverage. Below is The Advertising Age 3 minute coverage: