Prof: Global windfarm could power entire human race • The Register.
Beware of wind-farm maniacs. Sure the Earth’s winds shift a huge mass of heat energy away from zones of net radiative input around the Equator towards regions of net radiative output around the Poles, but tapping those flows is a non-trivial matter for technologists to achieve. Covering the Earth in wind turbines might be able to supply 7 billion people with a European style energy supply BUT more realistic estimates suggest they’ll need to live like the poorest of the poor to get by. Rubbery figures mean the estimates of energy potential are, at best optimistic, and at worst misleadingly directing green opinion towards infeasible alternatives to fossil-fuels. Only space-based solar and green nuclear power can really supply humanity’s legitimate energy needs in the long-term.
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