Yellowstone's Morning Glory Pool changes color after pollution damage
Decades of coins and trash thrown into Yellowstone's Morning Glory Pool clogged its vent and cooled the water. The spring has reportedly turned green and orange, and rangers say its original color may never return.
By DoomRadar · Published on DoomRadar .
Why it matters
The case highlights lasting damage to a protected natural landmark from human pollution and tourism.
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- For decades visitors tossed coins and trash into Yellowstone's Morning Glory Pool, and the debris clogged its vent and cooled the water — the spring named for its deep blue now runs green and orange, and rangers say the original color may never come back ↗spacedaily.com · Recorded source date: Sep 10, 2026, 7:02 AM UTC
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