The human brain uses approximately as much energy as a 10 watt light bulb.
120
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The United States consumes 25% of all the world's energy.
51
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
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10