Alaska, Canada, Norway and the Arctic are some of the coldest and most remote areas on earth. The animals that call these places home, like these Arctic hares, are superbly adapted to survive treacherous conditions. Find out how these creatures defend themselves in the Alaskan wild on Alaska & the Wilds Beyond, part of Wild Alaska: The Last Frontier. Starting Thursday 16th June at 8pm on National Geographic WILD UK. | National Geographic UK

This footage offers a rare glimpse into the lives of polar bears. Researchers attached cameras to collars on 20 polar bears in Canada to see what they get up to in the summer. They've been recording their activities and seeing how their lives have changed as sea ice decreases. This is what they think it tells us about their future. Learn more: https://www.bbc.co.uk/sounds/play/w3ct4sdp | BBC World Service