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Small Island Developing States under threat by rising seas even in a 1.5 °C warming world

Earth Sciences

Small Island Developing States under threat by rising seas even in a 1.5 °C warming world

M. I. Vousdoukas, P. Athanasiou, et al.

This groundbreaking research conducted by Michalis I. Vousdoukas and colleagues reveals that Small Island Developing States (SIDS) could see coastal flooding damages escalate more than 14 times by 2100 under high-emission scenarios. While limiting warming to 1.5 °C could help, many SIDS still face significant economic challenges and potential forced migration. The study underscores the urgency for investments in adaptation and sustainable development.

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Playback language: English
Abstract
Small Island Developing States (SIDS) are highly vulnerable to climate change, particularly rising sea levels. This study assesses future flood risk in SIDS under various emissions scenarios. Results show that by 2100, climate change will amplify current economic damages from coastal flooding by over 14 times under high-emissions scenarios. Limiting warming to 1.5 °C could halve the damage, but many SIDS will still face substantial economic losses and potential forced migration. Urgent investments in adaptation and sustainable development are crucial.
Publisher
Nature Sustainability
Published On
Dec 01, 2023
Authors
Michalis I. Vousdoukas, Panagiotis Athanasiou, Alessio Giardino, Lorenzo Mentaschi, Alessandro Stocchino, Robert E. Kopp, Pelayo Menéndez, Michael W. Beck, Roshanka Ranasinghe, Luc Feyen
Tags
Small Island Developing States
climate change
flood risk
economic damages
forced migration
adaptation

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