According to researchers in California, one of the consequences of the melting Arctic ice is that the Atlantic Ocean could see mollusks from the Pacifica take up residency within decades. In order for this to happen, the Arctic would need to see 125 consecutive days of less than 75% cover of sea ice. Two years ago the Intergovernmental Panel on Climate Change estimated that this could happen around 2050, but a California researcher disagrees – he believes it could happen much sooner. more »