The first worldwide oasis map lays out an uncertain future, human expansion, and the exhaustion of sources
Briefly

They represent a mere 1.35% of the planet's surface, but some of human civilization's greatest achievements were only made possible by oases... the future of the oases is uncertain.
Researchers at the Chinese Academy of the National Center for Research in Cairo have created what they believe to be the first world map of oases... 77% of these green refuges are found in Asia.
Read at english.elpais.com
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