In a paper entitled ‘Energy Technology Perspectives 2014 – Harnessing Electricity’s Potential,’ the International Energy Agency (IEA) predicted that, if the right policies are put in place, solar energy could provide 26% of the world’s energy needs within 40 years.
Above: Part of the 354 MW SEGS solar complex in northern San Bernardino County, California. Credit wikimedia
This would reduce greenhouse gas emissions by 40%. The world would need to invest $44 trillion in order to make the switch from fossil fuels to clean energy a reality, but would save $115 trillion in fuel costs, for a net savings of $71 trillion.
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