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Preventing climate change: The size of the energy challenge
Date:1/7/2013

tmosphere at industrial scale", said Caldeira. "The original study showed that we can solve a large part of the problem with existing technologies, but solving the whole problem requires new technologies deployed at massive scale."

Current technologies and systems cannot provide the equivalent amounts of carbon-free energy needed soon enough or affordably enough to achieve this transformation, the perspective says. Fundamental, disruptive changes to the global energy system are required.

"Most of the greenhouse gas emissions expected this century are expected to come from the developing world in the second half of the century. A central challenge of the first half of this century is to develop the energy technologies that will be needed in the second half of the century," Caldeira said. "Existing technologies just cannot provide the massive amounts of carbon-neutral power needed later this century. Solving the climate problem will be both difficult and necessary."


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Contact: Ken Caldeira
kcaldeira@carnegiescience.edu
650-704-7212
Carnegie Institution
Source:Eurekalert

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