decades.
A climate scientist said so. But he didn’t say how many decades.
He guaranteed the number of feet, but not the number of decades.
What is the guarantee…? We get our money back if he’s wrong?
He’s a scientist so we cannot question, “the science”. Just do what he says.
https://www.yahoo.com/news/sea-level-is-already-guaranteed-to-rise-by-5-feet-climate-scientist-says-090020184.html