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Drylands hit harder by poverty than richer regions
(Climate News Network, 7 Dec 2020) The arrival of the rains leaves the drylands hit harder than richer areas. Once again, climate change sows injustice.
Not even the climate can be even-handed. When the rains come they leave the world’s drylands hit harder: the wealthier fare better and the poorest get relatively a little poorer. And the evidence is visible literally at the grassroots.
European scientists have been measuring vegetation growth as recorded in fine detail by satellite observation over the last 20 years. And they report that in the developing world, the vegetation that sprouts after rainfall on arid lands is more meagre, while in the better-off nations the same rainfall on the same kind of dryland terrain produces more healthy growth.
The consequence, researchers warn in the journal Nature Sustainability, could result in more food shortages, more disruption, and growing numbers of climate refugees.
“We observe a clear trend of arid areas developing in a negative direction in the most economically challenged countries,” said Rasmus Fensholt, of the University of Copenhagen, one of the authors.
“Here it is apparent that the growth of vegetation has become increasingly decoupled from the water resources available, and that there is simply less vegetation in relation to the amount of rainfall. The opposite is the case in the wealthiest countries.”
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