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Tikal's Toxic Water: Ancient Pollution Linked to Population Decline

4/27/2025

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Summary

Story summary

Toxic water pollution has been uncovered in the ancient Maya city of Tikal, Guatemala, as research from the University of Cincinnati reveals alarming levels of mercury and cyanobacteria in its reservoirs. This contamination likely led to widespread illness during a severe drought in the ninth century, potentially playing a significant role in Tikal's population decline.

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Story summary

Toxic water pollution has been uncovered in the ancient Maya city of Tikal, Guatemala, as research from the University of Cincinnati reveals alarming levels of mercury and cyanobacteria in its reservoirs. This contamination likely led to widespread illness during a severe drought in the ninth century, potentially playing a significant role in Tikal's population decline.