That is not the only report. There appears to be a consensus that this will happen at the latest by 2100. This report claimed only 30 years.<p>And all these are not taking into account the record temperatures in the Arctic circle that are currently being recorded (+4C than last century), which increases the chances of runaway greenhouse effects.<p>As I said, use google scholar. This is not a conspiracy, these are changes that are happening <i>right now</i>.