Climate Change

Paris impacts

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Science  05 Apr 2019:
Vol. 364, Issue 6435, pp. 39-40
DOI: 10.1126/science.364.6435.39-f

The Paris Agreement is an attempt to limit anthropogenic global warming to 1.5°C through national pledges to reduce greenhouse gas emissions. However, no country has pledged emissions reductions large enough to meet its share necessary to cap warming at that level. To illustrate one aspect of this problem, Lewis et al. investigated the impact of the decisions of the world's three largest greenhouse gas emitters (European Union, United States, and China) on the frequency of future temperature extremes. Their approach clearly demonstrates how the major emitters can reduce the likelihood of future extremes across the globe, including in less-developed and lower-emitting nations.

Geophys. Res. Lett. 10.1029/2018GL081608 (2019).

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