The toll of droughts: Environmental impacts, economic costs, and international consequences
Ioannis Tikoudis,
Margaux Gabriel and
Walid Oueslati
No 260, OECD Environment Working Papers from OECD Publishing
Abstract:
This paper examines the environmental, economic, and wider impacts of droughts, using statistical analyses, literature reviews, and ex-post calculations. Droughts contribute to land degradation and affect animal survival, though evidence on the resilience of fauna to droughts is limited. Strong evidence suggests that droughts reduce plant biomass in forests, wetlands, and croplands. Agriculture suffers significant losses, as crop volumes are estimated to drop by 5-22% in the driest years. Droughts also disrupt fluvial transport and hydroelectric power generation, though the economic impact on these sectors is harder to systematically quantify. The study finds that economic losses and damages due to droughts may be increasing at an annual rate that exceeds 3.0%, implying that the average drought episode in 2025 is at least twice as costly as it was in 2000. Additionally, droughts influence migration patterns and may contribute to conflict, though most of the evidence remains limited to Sub-Saharan Africa.
Keywords: agriculture; climate change; conflict; costs; droughts; ecosystem resilience; environmental security; food security; impacts; losses and damages; migration; water scarcity (search for similar items in EconPapers)
JEL-codes: D74 Q13 Q15 Q18 Q54 Q57 R23 (search for similar items in EconPapers)
Date: 2025-05-23
References: Add references at CitEc
Citations:
There are no downloads for this item, see the EconPapers FAQ for hints about obtaining it.
Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.
Export reference: BibTeX
RIS (EndNote, ProCite, RefMan)
HTML/Text
Persistent link: https://EconPapers.repec.org/RePEc:oec:envaaa:260-en
Access Statistics for this paper
More papers in OECD Environment Working Papers from OECD Publishing Contact information at EDIRC.
Bibliographic data for series maintained by ().