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Mango flowers and hornets’ nests might seem strange bedfellows for meteorological satellites, but on Futuna Island, a craggy volcano at the eastern edge of the archipelago of Vanuatu, they play a critical role in helping local people predict extreme weather. “When the mango tree flowers early—before October—we know there will probably be a cyclone,” says Manuel Nawairea, a resilience officer for the humanitarian agency CARE International who was born on Futuna but now works on neighboring Tanna Island.
