Concentration of CO2 in the Atmosphere

Study: Wind and Solar CAN Power Most of the USA

Image: Solar and Wind Park.

Image: Solar and Wind Park.

Solar only works when the sun is shining, and wind only works when the wind is blowing so, as Donald Trump has reasoned in the past (, they couldn’t possibly handle all of our energy demand, right? WRONG! In a recently published paper by Dr. Ken Caldeira in the journal, Energy and Environmental Science (, 36 years of hourly weather data was analyzed showing that these two energy sources fluctuate in complementary ways. The study shows a clear path to 100% renewable energy, with just solar and wind! Fortunately, we have other renewable energy sources which can help including advanced wood heating, hydroelectricity, and geothermal energy – not to mention all of the work we have yet to do to use energy more efficiently. To read a great break down of the study from The Guardian, go to

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