snip Researchers from Stanford University and the University of California-Davis published their analysis in the journal Energy Policy.
Measuring costs vs benefits
The main challenges, say the authors, will be summoning the global will to make the conversion. "There are no technological or economic barriers to converting the entire world to clean, renewable energy sources," said author Mark Jacobson, a Stanford professor, saying it is only a question of "whether we have the societal and political will."
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