Could the world get to 100 percent renewable energy by 2030? Not a chance, say most analysts.
But in an article last month in Scientific American, two California academics outline a path to this amount through “millions of wind turbines, water machines and solar installations.”
The paper, by Mark Jacobson, a professor of civil and environmental engineering at Stanford University, and Mark Delucchi, a research scientist at the Institute of Transportation Studies at the University of California, Davis, envisions 3.8 million large wind turbines, accounting for just over half of electricity demand in 2030. These would be augmented by 90,000 solar plants and other renewable technologies like tidal and geothermal power.
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