Amplify’d from www.hydrogenambassadors.com
The earth energy balance represents the balance between incoming energy from the Sun Sand thermal (longwave) and reflected (shortwave) energy from the Earth. The energy released from the Sun in one hour would be adequate to cover the energy needs of the entire world population for one year. However, when the radiation reaches the Earth, most of it is reflected back to space by the atmosphere, some of it is absorbed by the atmosphere and at the Earth's surface etc. Only 0,005% of the 5,6 • 1024J emitted by the sun per year is converted into mechanical energy by humans.
See this Amp at http://amplify.com/u/8qfb
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