Storms in the Southern Ocean are producing more rain—and the consequences could be global

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If you ever find yourself on Macquarie Island—a narrow, wind-lashed ridge halfway between Tasmania and Antarctica—the first thing you’ll notice is the wildlife. Elephant seals sprawl across dark beaches. King penguins march up mossy slopes. Albatrosses circle over vast, treeless uplands.

But look more closely and the island is changing. Slopes are becoming boggier. Iconic megaherbs such as Pleurophyllum and Stilbocarpa are retreating.

For years, scientists suspected the culprit was increasing rainfall. Our new research, published in Weather and Climate Dynamics, confirms this—and shows the story goes far beyond one remote UNESCO World Heritage site.

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