http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The business of renewable energy and what it means for America
Provides startling facts and figures that reveal the hidden costs behind maintaining a consumptive fuel society in America and compares the U.S. to foreign countries that are already providing strong support for renewable energy sources
Renewable energy sources,Các nguồn năng lượng tái tạo