Unprecedented climate events: Historical changes, aspirational targets, and national commitments
Noah S. Diffenbaugh,Deepti Singh,Deepti Singh,Justin S. Mankin,Justin S. Mankin,Justin S. Mankin +5 more
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TLDR
It is found that humans have already increased the probability of historically unprecedented hot, warm, wet, and dry extremes, including over 50 to 90% of North America, Europe, and East Asia, and UN aspirational targets reduce risk but still produce increases in probability of unprecedented extremes.Abstract:
The United Nations Paris Agreement creates a specific need to compare consequences of cumulative emissions for pledged national commitments and aspirational targets of 1.5° to 2°C global warming. We find that humans have already increased the probability of historically unprecedented hot, warm, wet, and dry extremes, including over 50 to 90% of North America, Europe, and East Asia. Emissions consistent with national commitments are likely to cause substantial and widespread additional increases, including more than fivefold for warmest night over ~50% of Europe and >25% of East Asia and more than threefold for wettest days over >35% of North America, Europe, and East Asia. In contrast, meeting aspirational targets to keep global warming below 2°C reduces the area experiencing more than threefold increases to 90% of North America, Europe, East Asia, and much of the tropics—still exhibit sizable increases in the probability of record-setting hot, wet, and/or dry events.read more
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Climate-driven declines in arthropod abundance restructure a rainforest food web.
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Book ChapterDOI
United Nations Framework Convention on Climate Change
TL;DR: In accordance with decision 9/2 of the Intergovernmental Negotiating Committee of the Framework Convention on Climate Change (INC/FCCC) and endorsed by the Conference of the Parties in its decision 3/CP.1 (FCCC/CP/1995/7/Add.1), the secretariat is to make available, in the official languages of the United Nations, the executive summaries of the national communications submitted by Annex I Parties as discussed by the authors.
Journal ArticleDOI
Satellite and in situ observations for advancing global earth surface modelling: A review
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