Electric lights for trees were first used in 1895.
62
Pure water (H2O) does not conduct electricity on its own.
46
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.
12
There is enough energy in one bolt of lightning to power a home for two weeks!
102
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Water, electricity, and gas has been free in Turkmenistan since 1991.
11