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A Plan to Power 100 Percent of the Planet with Renewables via Scientific American

Wind, water and solar technologies can provide 100 percent of the world’s energy, eliminating all fossil fuels. Here’s how

By Mark Z. Jacobson and Mark A. Delucchi | October 26, 2009

In December leaders from around the world will meet in Copenhagen to try to agree on cutting back greenhouse gas emissions for decades to come. The most effective step to implement that goal would be a massive shift away from fossil fuels to clean, renewable energy sources. If leaders can have confidence that such a transformation is possible, they might commit to an historic agreement. We think they can.

A year ago former vice president Al Gore threw down a gauntlet: to repower America with 100 percent carbon-free electricity within 10 years. As the two of us started to evaluate the feasibility of such a change, we took on an even larger challenge: to determine how 100 percent of the world’s energy, for all purposes, could be supplied by wind, water and solar resources, by as early as 2030. Our plan is presented here.

Continue reading at A Plan to Power 100 Percent of the Planet with Renewables

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