Rockstar
The image you see to the right is an inspired "look how green we are" idea demonstrated by the Deutsche Bank building in New York City. The building has an LED display which glows with the real-time number of long-lived greenhouse gases in the atmosphere. Talk about driving a good point home!

It does this using data from MIT scientists. Currently in the trillions, the figures continue to be updated to emphasize the point of looking after our planet. Deutsche Bank aims to be carbon neutral by 2013.