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