Solar and wind energy could meet 80% of US electricity demand

Fourth-fifths of the United States' electricity demand could be obtained from wind and solar power, according to four scientists from the Carnegie Institution for Science; University of California, Irvine (UCI); and the California Institute of Technology, after they pored over 36 years of hourly weather data. UCI associate professor Steven Davis said in a statement, "The fact that we could get 80 percent of our power from wind and solar alone is really encouraging. Five years ago, many people doubted...

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