Dr Jamie Morison, of the University of Washington's Polar Science Center, has been visiting the North Pole for decades. He told ITV News that Arctic ice is becoming noticeably thinner:
How do scientists survive -30 degrees temperatures at Barneo, the temporary camp set up on floating ice near the North Pole?
Arctic glaciers are melting faster than expected fuelling a rise in sea levels, which experts believe could cost the UK billions of pounds.
As new figures show the record cold weather is persisting into April, the Met Office says it will investigate if Arctic melting is to blame.