The world is full of tradeoffs, and sometimes 'renewable power' activists fail to recognize that. Solar energy collectors must displace a tremendous amount of natural landscape to produce any significant amount of energy. And anything less requires a great deal of financial expenditures for very little and very inconsistent power.

Ben Lieberman

Green Energy

Green energy is a term used by some environmentalists to describe what they deem to be environmentally friendly sources of power and energy. In particular green energy must be renewable and non-polluting.

Green energy includes natural enegetic processes which can be harnessed with little pollution. Geothermal power, wind power, small-scale hydropower, solar power, biomass power, tidal power and wave power fall under such a category. Some versions may also include power derived from the incineration of waste.

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