solar energy, definition of

Solar Energy

Electromagnetic energy transmitted from the sun (solar radiation). The amount that reaches the earth is equal to one billionth of total solar energy generated, or the equivalent of about 420 trillion kilowatt-hours.

Solar energy is the major driver of Earth's environment. About one 1kw per hour per meter square makes it way to the ground. Changes in solar energy over extended periods contributes to environmental shifts (Ice Ages).

EcoWho Articles where 'solar energy' used:EcoWho blog posts where 'solar energy' used:
  • Alternative Solar Energy
    Alternative Solar Energy - this phrase often creates images of hippies and flower power... We look at what it really means.

Related Tags: solar power, solar

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