Reuters: Arctic sea ice is unlikely to shrink below a 2007 record low this year in a reprieve from the worst predictions of climate change even though new evidence confirms a long-term thaw is under way, experts said. The 2007 record raised worries of a melt that could leave the North Pole ice-free this year, threaten indigenous hunters and thaw ice vital for creatures such as polar bears. It would also help open the Arctic to shipping and oil and gas firms. “Most likely there …