SMRTR Science & EngineeringSep 8, 2025Interesting Engineering

72% of flying insects lost in 20 years at untouched ecosystem: US study

SMRTR summary

Flying insect populations in a remote Colorado meadow have plummeted 72.4% over 20 years, according to University of North Carolina researchers. The study tracked insects in a pristine environment from 2004-2024, revealing an average 6.6% annual decline strongly linked to rising summer temperatures, demonstrating that even untouched ecosystems are vulnerable to climate change impacts.

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