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The global cost of international commitments on land restoration
Land Degradation & Development ( IF 3.6 ) Pub Date : 2024-08-19 , DOI: 10.1002/ldr.5263 Dewy Verhoeven 1 , Ezra Berkhout 2 , Annelies Sewell 3 , Stefan van der Esch 3
Land Degradation & Development ( IF 3.6 ) Pub Date : 2024-08-19 , DOI: 10.1002/ldr.5263 Dewy Verhoeven 1 , Ezra Berkhout 2 , Annelies Sewell 3 , Stefan van der Esch 3
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Land restoration and sustainable land management projects have now been proposed for up to a billion hectares globally, responding to continuous land degradation processes. But, a lack of reliable cost estimates hinders implementation, which results in a high perceived risk of restoration investments. This study addresses this gap, using cost data from 243 restoration projects from multiple sources to estimate the cost ranges for different types of restoration more precisely. The analysis shows median restoration costs vary from 185 $US/ha to 3012 $US/ha depending on the restoration measure, implying current global land restoration commitment cost 0.04%–0.27% of annual global GDP to implement. Since the majority of these commitments are made by developing countries, international cost-sharing mechanisms, through climate or private finance, are required to move from goal setting to implementation.
更新日期：2024-08-19
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