Israeli study unlocks 4,000 years of climate change and human adaptation

Ancient communities in the Levant adapted to severe drought and climate shifts by developing innovative strategies, rather than collapsing or migrating, according to a new study of mud cores from Israel's Carmel Coast. The research, co-led by the University of Haifa and UC San Diego, analyzed 4,000 years of environmental history.

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People are problem solvers. They cope with environmental stress by developing new technologies and strategies.

"People are problem solvers," said Tom Levy, a senior author from UC San Diego. "They cope with environmental stress by developing new technologies and strategies." The findings, published in Quaternary Science Reviews, challenge the idea that climate change inevitably leads to societal collapse.

Instead of abandoning regions during drier periods, ancient societies in the southern Levant, including those in the semi-arid Beersheba valley during the Chalcolithic period, expanded and developed new survival methods. Gilad Shtienberg, the paper's first author, noted that these included early forms of floodwater farming and irrigation agriculture.

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Ancient societies in the southern Levant did not simply collapse or abandon regions when climate conditions became drier. Instead, they adapted in creative ways.

Evidence from plant remains indicates that crops such as barley were cultivated using managed irrigation, not solely relying on rainfall. This adaptation allowed communities to thrive in harsher conditions, demonstrating a long history of human resilience and ingenuity in the face of environmental challenges.

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Evidence from plant remains suggests that crops such as barley were cultivated under managed irrigation rather than relying solely on rainfall.