By 2050, the world could be powered entirely by wind, water, and sunlight
That's the conclusion of a new study released recently at Stanford University.
"These are basically plans showing it's technically and economically feasible to change the energy infrastructure of all of these different countries," says Mark Z. Jacobson, director of the Atmosphere/Energy Program at Stanford University, who worked with University of California colleagues to analyze energy roadmaps for 139 countries.
The researchers crunched numbers to see how much energy each country would need by 2050—including electricity, transportation, heating and cooling, industry, and agriculture—and then calculated how renewable energy could cover those needs, where it could go, and how much it would cost.
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