The power available from a wind turbine depends on the winds, not upon the political orientation of the pundit who extols or maligns the installation. There is no Republican or Democratic version of how much power can come from a hydropower installation. No religious, philosophical, or political view holds sway over the intensity of sunlight.
A Primer on Renewable Energy asks to what extent renewable energy sources are adequate to the task of providing our energy. That task involves studying how we use energy and also much energy can be provided by renewable energy sources. The subject is necessarily quantitative, but it involves no exotic mathematics.
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