Scientists cast doubt on theory of what triggered Antarctic glaciation Scientists have found geologic evidence that casts doubt on one of the conventional explanations for how Antarctica's ice sheet began forming. They report finding an ancient volcanic arc in the Scotia Sea that might have prevented the Antarctic Circumpolar Current from forming until millions of years after Antarctic glaciation began.
July 11, 2013 - Science Daily
Pat Martin in CBC.ca One circumpolar tour would have paid for 1,000 of those programs in every town and village in the country,said Martin. "It's a class issue for me and a lot of Canadians. We are trying to tighten our belts and [her] office was spiralling...