Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy is the technology used to harness the sun's energy and make it useable. Today, the technology produces less than one tenth of one percent of global energy demand.
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Solar Power Energy Information, Solar Power Energy Facts - National Geographic - 0 views
Hydrogen Fuel Cells - Where Do We Go - 2 views
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A Pollution-Free Hydrogen Economy? Not So Soon | MIT Technology Review - 0 views
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