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Stabilization Wedges: Solving the Climate Problem for the Next 50 Years with Current Technologies


Humanity already possesses the fundamental scientific, technical, and
industrial know-how to solve the carbon and climate problem for the next
half-century. A portfolio of technologies now exists to meet the world’s
energy needs over the next 50 years and limit atmospheric CO2 to a
trajectory that avoids a doubling of the preindustrial concentration.
Every element in this portfolio has passed beyond the laboratory bench
and demonstration project; many are already implemented somewhere at
full industrial scale. Although no element is a credible candidate for
doing the entire job (or even half the job) by itself, the portfolio as
a whole is large enough that not every element has to be used.