Environmental Protection

Why is renewable energy so important?
Answered by Science Channel
  • Science Channel

    Science Channel

  1. Renewable energy is the next best thing to the nirvana of free energy. Solar, wind, hydroelectric and geothermal sources offer greener alternatives that have minimal-to-zero carbon emissions and are consequently less detrimental to the environment. Equally important, they won't run out, as oil one day will.

    Although initial investments in these alternative energy systems may be high, it will be well worth the cost and eventually it will pay for itself. With legislation and government funding, wave energy converters, wind farms, solar panels and hydroelectric dams are being set up around the world.

    Closer to home, individuals can switch from using conventional oil for heating and air conditioning to solar energy. People can also install geothermal systems that harnesses the Earth's temperature to heat or cool their homes.

    More answers from Science Channel »

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