Most of the technology we need to switch from fossil fuels to clean and renewable energy already exists — the greatest hurdles to making the shift involve planning and politics.
Overcoming those hurdles could yield a 30 per cent decrease in global power demand, according to Mark Z. Jacobson of Stanford University and Mark Delucchi of the University of California-Davis.
Featured in a cover story in the November issue of Scientific American, Jacobson and Delucchi present new research that maps out and evaluates a plan for powering the entire world on wind, water and solar energy. Their analysis, which includes an assessment of the materials needed and costs, concludes it will ultimately be cheaper than either sticking with fossil fuels or going nuclear.
Read the complete article here:
http://www.greenbang.com/politics-not-technology-is-delaying-clean-energy-future_12246.html
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