We Save Challenges are hosted by Joule Bug, a free smartphone app which "makes sustainable living social, simple, and actually fun. You can download it in the Apple App Store and Google Play. Within the app, you can join communities. In this case, The Wild Life Community where you can "buzz" your accomplishments and green deeds. It can even track the pounds of CO2 saved, waste diverted, and gallons of water saved by the community as a whole.
Each month will bring new content (videos, interviews, blogs) focused on a different theme of sustainability.