Volunteer for the upcoming U.S. Department of Energy Solar Decathlon 2015, taking place Oct. 8-18 at the Orange County Great Park. Open to the public free of charge, the Solar Decathlon gives visitors the opportunity to tour solar-powered houses, gather ideas to use in their own homes, and learn how energy-saving features can help them save money today. The Solar Decathlon is an award-winning program that challenges collegiate teams to design, build, and operate solar-powered houses that are cost-effective, energy-efficient, and attractive. The winner of the competition is the team that best blends affordability, consumer appeal, and design excellence with optimal energy production and maximum efficiency. Many volunteer roles available. To register visit: http://www.solardecathlon.gov/volunteers.html