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originally posted by: Darkblade71
a reply to: butcherguy
Isn't that what the concern is?
That it is seeming to speed up at a rate they did not expect?
NASA is saying 3 feet in decades (84 years, actually) that's a lifetime.
Ocean levels around the world have risen about three inches since 1992 thanks to warming temperatures owing to the burning of fossil fuels. Now, new NASA research shows sea levels will likely rise three feet in the coming decades, and it’s too late to do anything about it.
The three-foot figure is at the high end of what the United Nations’ Intergovernmental Panel on Climate Change predicted two years ago, when it estimated one to three feet of sea-level rise by 2100. Even if the high point of sea-level rise is still a century out, the effects of encroaching seas will be felt much sooner.
Low-lying areas such as Bangladesh’s capital, Dhaka, with a population of 14 million, could experience regular river floods within the next two decades. That would leave portions of the city completely inundated. For New Orleans, a city still picking up the pieces from Hurricane Katrina, NASA’s predictions raise concerns about whether projects to protect the city from future floods underestimate sea-level rise.