Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The human brain uses approximately as much energy as a 10 watt light bulb.
120
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
The United States consumes 25% of all the world's energy.
51
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277