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Monarch Butterfly Die-Off Tied to Pesticide Exposure

8/1/2025

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Summary

Story summary

A devastating die-off of monarch butterflies in southern California has been linked to pesticide exposure, with hundreds discovered dead or struggling near their wintering grounds. Tests confirmed alarming pesticide levels, underscoring the urgent need to cut back on these chemicals to help revive the dwindling monarch population.

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Story summary

A devastating die-off of monarch butterflies in southern California has been linked to pesticide exposure, with hundreds discovered dead or struggling near their wintering grounds. Tests confirmed alarming pesticide levels, underscoring the urgent need to cut back on these chemicals to help revive the dwindling monarch population.