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Yellowstone retrieved 280+ hats, warns foreign coins harm hydrothermal ecosystems

By Drooid · Sep 15, 2026, 6:28 AM UTC · How we work

Summary

Story summary

Yellowstone officials retrieved more than 280 hats from hydrothermal areas during the 2026 season.
They also collected over $18 in foreign and U.S. coins scattered around geysers and hot springs.
Officials warned that foreign coins can introduce algae and bacteria into the park’s delicate hydrothermal ecosystems.
Collected hats will be cleaned and donated to local clothing organizations after the 2026 season ends.

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Story summary

Yellowstone officials retrieved more than 280 hats from hydrothermal areas during the 2026 season.
They also collected over $18 in foreign and U.S. coins scattered around geysers and hot springs.
Officials warned that foreign coins can introduce algae and bacteria into the park’s delicate hydrothermal ecosystems.
Collected hats will be cleaned and donated to local clothing organizations after the 2026 season ends.