Rightsizing carbon dioxide removal
1. Christopher B. Field1
2. Katharine J. Mach2
*+* See all authors and affiliations
Science 19 May 2017:
Vol. 356, Issue 6339, pp. 706-707
- Article <http://science.sciencemag.org/content/356/6339/706>
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Proven approaches for limiting climate change include enhancing energy
efficiency, capturing wind and solar energy, decreasing deforestation, and
reducing industrial and agricultural emissions. These approaches are
increasingly cost-competitive, consistent with large-scale use, and largely
supported by public sentiment. Yet, the current pace of their deployment is
far from sufficient for holding warming well below 2°C above preindustrial
levels with high probability, the goal of the Paris Agreement. Two
approaches for bridging this gap are widely discussed. First, the rate of
decarbonization could be accelerated based on the above approaches. Second,
continuing emissions could be compensated by removing carbon dioxide from
the atmosphere (*1*, *2*). Technologies for carbon removal are mostly in
their infancy, yet are increasingly asserted as key to climate policy.
Here, we focus on rightsizing the expectations from carbon dioxide removal
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