Brandon Gibbs, a Green Iowa AmeriCorps member, caulks the edges of a window frame in a home he is weatherizing in Dubuque, Iowa. Green Iowa AmeriCorps members help make Iowans more energy efficient through low impact home weatherization, energy education, and community outreach.  In 2011, Green Iowa AmeriCorps members weatherized 365 homes, offered energy efficiency advice to 23,000 households, and recruited 7,400 community volunteers. 

Photo by Jeremy Portje, Telegraph Herald