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Expert Insight

Do We Have The Raw Materials For The World To Become 80% Renewable By 2050?

Author(s): James Conca
Senior Scientist
UFA Ventures, Inc.
Date: August 15, 2016 at 10:30 AM

There have been many voices lately saying that renewables could produce 80% or more of the world’s energy by 2050 in order to limit global warming to 2.5°C, as long as we develop sufficient energy storage and bring up efficiency and conservation. But the real issue is raw materials. It takes about 500 tons of steel and 1000 tons of concrete per MW of wind power. Even more to connect them to the grid. The United States has used 40 million tons of steel to build 48,800 wind turbines totaling 74,512 MW and costing about 150 billion dollars. Wind energy… [more]

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