If you're a fan of snorkelling in this country, you'll often dip into water temperatures which are less than tropical to say the least. But one New Zealander is taking that to the extreme. She wants to go snorkelling in the Arctic Circle. Emily Dowding-Smith is part of a ten-strong team of women who will attempt a three thousand kilometre relay of the Northwest passage, and it's all about raising awareness of climate change. Emily is an environmental lawyer, and a sustainability advisor for the Team Sedna Epic Expedition.