A study published in the Proceedings of the National Academy of Sciences states that oceans are rising at a faster rate than any time in the last 3,000 years.
“We can say with 95 percent probability that the 20th-century rise was faster than any of the previous 27 centuries,” said Bob Kopp, a climate scientist at Rutgers University. It is likely that the current sea level rise is the greatest in history; however, it is difficult to research earlier in time.
Mann of Penn State says, “The study nonetheless reiterates the conclusion we reached [in 2011] that the acceleration in sea level rise over the past century is unprecedented over at least the past millennium, and that this acceleration is directly related to the spike in surface temperature over the past century.”
The sea level rise caused primarily by greenhouse gases, could force the emptying of coastal cities.