Android App Tackles Carbon Footprints - Green Inc. Blog - NYTimes.com

Ecorio’s “Inspire” feature offers a Twitter-like social networking interface to communicate with other Ecorio users. Tapping a user’s profile icon displays their location and how many pounds of emissions they’re responsible for so far.

Lastly there’s “Offset,” which links to a site that accepts credit cards to purchase offsets from Carbonfund, an organization that supports carbon offset projects for renewable energy, energy efficiency and reforestation.

How about a "reality" icon that allows you to view the graphs here?