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96 Mexican cave stalagmites reveal the deadly droughts behind the Maya collapse

ScienceDaily
ScienceDaily 2 place · 08/16/2025 00:44 EDT

Chemical evidence from a stalagmite in Mexico has revealed that the Classic Maya civilization’s decline coincided with repeated severe wet-season droughts, including one that lasted 13 years. These prolonged droughts corresponded with halted monument construction and political disruption at key Maya sites, suggesting that climate stress played a major role in the collapse. The findings demonstrate how stalagmites offer unmatched precision for linking environmental change to historical events.

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