Potential impacts of pandemics on global warming, agricultural production, and biodiversity loss

Xiong (熊元康), Y., Wang (王戎), R., Gasser, T. ORCID: https://orcid.org/0000-0003-4882-2647, Ciais, P., Peñuelas, J., Sardans, J., Clark, J. H., Cao (曹军骥), J., et al. (2024). Potential impacts of pandemics on global warming, agricultural production, and biodiversity loss. One Earth 7 1-17. 10.1016/j.oneear.2024.02.012.

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Abstract

The rising frequency of infectious diseases under climate change poses an emerging threat to environmental and agricultural sustainability by consuming large quantities of materials. The demand for crops to produce personal protective equipment (PPE) competes for land and fertilizers, leads to cropland expansion, and accelerates climate change, but the ecological impacts remain unclear. Here we explore the impacts of pandemics on global warming, agricultural production, and biodiversity loss in an Earth system model by developing relationships between consumption of PPE and the rate of infection during COVID-19. Meeting the demand for PPE would increase production of cotton lint, corn, and natural rubber, which accelerates global warming by 0.2°C with 1.8% additional species losses by 2100. Our results suggest that the risks of public health, food security, climate change, and ecological integrity have been connected to each other, which should be considered when predicting the impacts of future pandemics.

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