As the Earth's fossil fuel reserves decline, what forms of energy will come next? After discussing the formation, uses, and consequences of burning coal, oil, and natural gas, this video explores the development of alternative resources that may someday completely replace them: nuclear power, solar energy, biomass, geothermal energy, hydroelectric power, and wind power. Benefits, costs, and environmental impacts are considered.

Encoded with permission for digital streaming by Infobase on Apr. 28, 2006. Learn360 is distributed by Infobase for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware.

Coal (3:47) -- Petroleum (5:40) -- Nuclear Energy (3:30) -- Renewable Energy Sources (5:28) -- From Petroleum Age to Alternative Energy Sources (1:31).