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Emma Stone – The Last Time Earth Was This Hot Hippos Lived in Britain (That’s 130,000 Years Ago)

It’s official: 2015 was the warmest year on record. But those global temperature records only date back to 1850 and become increasingly uncertain the further back you go. Beyond then, we’re reliant on signs left behind in tree rings, ice cores or rocks. So when was the Earth last warmer than the present? The Medieval Warm Period is often cited …