Reuters: The Antarctic Peninsula, among the fastest warming places on Earth last century, has since cooled due to natural swings in the local climate, scientists said on Wednesday, adding that the respite from the thaw is likely to be brief.
Rapid warming until the late 1990s on the peninsula, which snakes up toward South America, triggered the break-up of ancient ice shelves, which are vast expanses of ice floating on the sea at the end of glaciers, and declines in some penguin colonies.
But a shift…

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