Camel farming could be an option for some 20 million to 35 million people living on semi-arid land in Africa, who will soon be unable to grow crops because of climate change, says the co-author of a new study.

By 2050, hotter conditions and less rainfall in an area covering 500,000 sq km to one million sq km of marginal farmland – about the size of Egypt – would make it harder for people grow crops, said Philip Thornton, a scientist at the International Livestock Research Institute (ILRI), based in Nairobi, capital of Kenya, co-author of the report.

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