Climate: Animals under threat

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The changing planet is threatening a number of vulnerable and endangered specie, and host Nuala McGovern hears from three experts on polar bears, snow leopards and bumble bees on why we should all care about what’s happening to all animals. We learn about the importance of pollinators to healthy ecosystems. We also hear from a sheep farmer in Australia and a vegetable and fish farmer in Nigeria about how climate change is affecting food security and the issues they have in common on two different continents. (Photo: Three polar bears on the Beaufort Sea coast within the 1002 Area of the Arctic National Wildlife Refuge. Credit: Reuters)