National Geographic: First it was the fault of Punxsutawney Phil, the groundhog who mistakenly forecasted a quick end to winter. Now climate scientists are saying that Arctic sea ice-or the lack of it-is a driving force behind the Northern Hemisphere's unseasonably cold spring.
As Northern Hemisphere temperatures remain below normal more than a week into the official start of spring, a team of meteorologists and climate scientists are pointing to recent research that suggests sea ice cover is a likely culprit.
Recent...