On October 28, 2013, wind power provided 100% of Denmark's power. At 2:00am, it was producing 122% of the country's energy needs.
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Electric lights for trees were first used in 1895.
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In Iceland, 100% of domestically produced electricity comes from renewable energy.
8
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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