Bryan Walsh: The Incredible Shrinking Sheep of Scotland - TIME
That doesn't mean that animals will adapt and thrive in a warmer world. Far from it — by some estimates, rapid climate change could drive as many as one-third of the species on the planet out of existence by mid-century. Though warmer winters in blustery Scotland might sound nice — especially if you're a sheep on the small side — the changes due to global warming are likely to be far from positive in most parts of the world. Evolution will help species adapt, but there's a term for what happens when the pace of evolution can't match the pace of climate change: extinction.
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