Where have all the BUTTERFLIES gone? Insects drop a MASSIVE 75% in 25 years

Insect numbers are declining world wide, and no one knows why. In the last generation, insect numbers have dropped as much as 75 percent.

More than 75 percent decline over 27 years in total flying insect biomass in protected areas

journals.plos.org/plosone/article?id=10.1371/journal.pone.0185809

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