Sea Levels Rose Faster Than Expected Last Year. Blame Global Warming - But What Happens Next?

Though global sea levels "varied little" for the 2,000 years before the 20th century, CNN reports that sea levels then "started rising and have not stopped since — and the pace is accelerating."
And sea level rise "was unexpectedly high last year, according to a recent NASA analysis of satellite data."More concerning, however, is the longer-term trend. The rate of annual sea level rise has more than doubled over the past 30 years, resulting in the global sea level increasing 4 inches since