Watershed Alliance of SW WA

How Urban Pesticides Can Harm Monarch Butterflies: A Cautionary Tale from California In January 2024, volunteers stumbled upon a devastating scene: scores of dead and dying monarch butterflies near the Pacific Grove Monarch Sanctuary overwintering grove.

Last year, when 200 monarchs died, testing confirmed pesticide poisoning by multiple chemicals. The pesticides were likely used by a local resident or business. We all need to work together to reduce the use of harmful pesticides and protect monarchs and other wildlife.
xerces.org/blog/how-urb...

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