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David Chancellor

A view from the center of a locust swarm at the Lewa Wildlife Conservancy in northern Kenya depicts a frenzied scene. Swarms can range from less than half a square mile to 460 square miles, with 40 to 80 million locusts. Since late 2019, clouds of locusts have shrouded the Horn of Africa, devouring crops and pastureland—and triggering a ground and air pesticide-spraying mission spanning eight countries. These chemicals, however, may be devastating to wildlife. (From “A locust plague hit East Africa. The pesticide solution may have dire consequences,” March 2021.)

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