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“Is the "Green New Deal" Realistic?”

“In a new report, Mark Mills addresses the popular but problematic idea driving the Green New Deal and similar policy proposals: that America is on the verge of an energy revolution—akin in scale and scope to the tech revolution of Silicon Valley—that will enable 100% replacement of hydrocarbons with green alternatives. An analysis of the constraints imposed by Mother Nature reveals that such a revolution isn’t just unlikely—it’s impossible.”

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Renewable drawback

“Physics of energy generation makes Polis’ 100 percent renewables goal unlikely”

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Friday roundup clearence

Headlines that don't merit their own entry

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Wind & Sun

The down side to wind power

As the world begins its large-scale transition toward low-carbon energy sources, it is vital that the pros and cons of each type are well understood and the environmental impacts of renewable energy, small as they may be in comparison to coal and gas, are considered.

In two papers — published today in the journals Environmental Research Letters and Joule — Harvard University researchers find that the transition to wind or solar power in the U.S. would require five to 20 times more land than previously thought, and, if such large-scale wind farms were built, would warm average surface temperatures over the continental U.S. by 0.24 degrees Celsius.
     — Leah Burrows

Remember, the wind doesn't always blow and the sun doesn't always shine. This means that wind power and solar power are at best supplemental power sources. There has to be something else to provide baseline power.

Given that, we also need to acknowledge the costs of power sources.
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