Global Warming's Impact on Animal Populations

We all know global warming is generally changing the planet for the worse, but the specifics aren't always on our minds.

You'd have to be living under a rock not to know glaciers and ice caps are melting, and water levels are rising, but did you know trees are dying, and the Arctic Sea floor is releasing methane? And what about shrinking sheep? Scientists are discovering the varied ways warmer temperatures are changing the planet's ecosystems, and three recent studies shine a light on the complex ways rising temperatures are changing (or will change) wildlife population levels.

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