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Local, regional, and global adaptations to a compound pandemic-weather stress event

Journal Article · · Environmental Research Letters
Global food security can be threatened by short-term extreme events that negatively impact food production, food purchasing power, and agricultural economic activity. At the same time, environmental pollutants like greenhouse gases (GHGs) can be reduced due to the same short-term extreme stressors. Stress events include pandemics like COVID-19 and widespread droughts like those experienced in 2015. Here we consider the question: what if COVID-19 had co-occurred with a 2015-like drought year? Using a coupled biophysical-economic modeling framework, we evaluate how this compound stress would alter both agricultural sector GHG emissions and change the number of undernourished people worldwide. We further consider three interdependent adaptation options: local water use for crop production, regional shifts in cropland area, and global trade of agricultural products. We find that GHG emissions decline due to reduced economic activity in the agricultural sector, but this is paired with large increases in undernourished populations in developing nations. Local and regional adaptations that make use of natural resources enable global-scale reductions in impacted populations via increased global trade.
Research Organization:
Purdue Univ., West Lafayette, IN (United States); Univ. of New Hampshire, Durham, NH (United States)
Sponsoring Organization:
USDOE Office of Inspector General (IG); USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
SC0016162
OSTI ID:
1973759
Journal Information:
Environmental Research Letters, Journal Name: Environmental Research Letters Journal Issue: 3 Vol. 18; ISSN 1748-9326
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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