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Monday, October 22, 2007 12:00 AM

Earth to PETA

Meat is not the No. 1 cause of global warming. Yet our diet is cooking the planet, and one surprising staple turns down the heat.
By Liz Galst

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  • Monday, October 22, 2007 06:49 AM

    Overpopulation?

    Mankind's use of power is equal to about .01% of the solar power falling on the earth. (That is 1 part in 10,000.) So we are fundamentally just a small perturbation. However, the biosphere has evolved some very delicate balances that we are now upsetting. Energy balance is easily perturbed by fluctuations in green house gas concentrations (water vapor, CO2, etc.). I think there are better ways of controlling or modifying the process than drastic population reduction.

    —Mike Sulzer Read Mike Sulzer's other letters

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