See photos of some of the UNESCO World Heritage Sites that are at risk as the world grows warmer -- including Yellowstone National Park in the USA and the Galapagos Islands in the Pacific Ocean.
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Mon, 01/07/2019 - 4:19am
See photos of some of the UNESCO World Heritage Sites that are at risk as the world grows warmer -- including Yellowstone National Park in the USA and the Galapagos Islands in the Pacific Ocean.