This 1990 sourcebook investigates various alternative energy sources available at the time. Compiled by the Real Goods Trading Corporation, it aims to provide a comprehensive overview of technologies beyond traditional fossil fuels and nuclear power.

This sourcebook serves as a historical snapshot of alternative energy discussions in 1990. It offers a look into the technologies and considerations prevalent at the time, providing context for the evolution of renewable energy. The publication's focus on specific sources like nuclear, wind, and solar indicates its intent to inform readers about the landscape of energy alternatives.