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This Blue Marble

Forty-three years ago NASA completed the final Apollo mission, placing American astronauts on the surface of the moon for the last time. In honor of that program, our language still preserves the term “moonshot” to describe a venture of such

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Posted in Environment, Evolution

Unintended consequences of the solar revolution

In 2014, for the second year in a row, solar power was the largest source of new energy in the US. Solar power delivered by utilities doubled last year and the growth is accelerating. Last week, Tesla made an announcement

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Posted in Economics, Environment, Evolution
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