SPR, one of Arizona’s largest utilities has teamed up with Spanish wind giant, Iberdrola, for the state’s first wind power project – enough for 15,000 homes.

The company brings environmentally-safe alternatives for powering special events, like the Pope’s visit to New York this spring, and uses biodiesel to power its fleet of trucks and generators.

The University of New Hampshire will soon tap into a landfill (and its methane gas) for 85 percent of its energy. Besides paying for itself in 10 years, the move could attract students with a serious sense of environmental responsibility.