Tribes have the potential to provide almost 15 percent of the country's electricity with wind power, and have 4.5 times the solar resources to power the entire U.S. — Winona LaDuke Copy Share Image
By the year 2000, such renewable energy sources could provide 40 percent of the global energy budget; by 2025, humanity could obtain 75 percent of its energy from solar resources. — Denis Hayes Copy Share Image
