Much of Antarctic glacier could be gone faster than expected, experts warn

World Oceans Day: Onboard a British icebreaker in Antarctica

ITV News Science Correspondent Martin Stew was the only journalist on board the RRS Sir David Attenborough, deep within the Antarctic Circle. He joined Climate scientist Professor Mike Meredith who is studying how underwater tidal waves — triggered by collapses on that scale — alter the ocean and accelerate warming. Report by Kennedyl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn