DoSomething.org, the largest organization for teens and social change, along with Bing and Lenovo, kicked off “The Hunt: 11 Days of Doing.”

This campaign uses cellphones to deliver daily challenges to teens so they can better their local communities. DoSomething.org just released today’s secret mission, which focuses on energy and the environment, along with a video shout out from The Twilight Saga’s Tinsel Korey. Watch :

Sign up for the campaign at www.dosomething.org/hunt or text ‘HUNT’ to 38383.