0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Pure water (H2O) does not conduct electricity on its own.
46
Electric lights for trees were first used in 1895.
62
In Iceland, 100% of domestically produced electricity comes from renewable energy.
8
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.
118
Water, electricity, and gas has been free in Turkmenistan since 1991.
11