Even a few years back, who would have thought you could use your phone to shop for sustainable toilet paper? And that Greenpeace would purposely create a green mobile app for an Apple made device? CNET's Crave breaks it down:

Greenpeace has launched an iPhone application version of its "Recycled Tissue and Toilet Paper Guide" that lets consumers compare brands available at their local grocery store to find which brands are most environmentally sustainable.

The app, developed by 3rdWhale, gives advice on a scale from "Recommended," "Avoid," or "They Can Do Better" on brands of facial tissues, toilet paper, paper towels, and paper napkins.
 

To see how the rest of the story, um, rolls out, go here.