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..... That's the take-home message from two studies out this week that look at the latest data on sea level rise due to climate change.
The first shows that current projections for the end of the century may seriously underestimate the rise in global sea levels. The other, on the ice sheets of Greenland and Antarctica, looks at just how much of the water stored up there has been moving into the oceans.
Both demonstrate that global warming is a real and imminent threat...
Why the discrepancy?
The likely culprits are continental ice sheets. "[In IPCC models], the two big ice sheets in Greenland and Antarctica contribute nothing to future sea level rise, because they assume that the mass loss from Greenland is balanced by ice gain in Antarctica due to higher snowfall rates," says Rahmstorf.
But satellite data show that the ice sheets are losing ice to the oceans.
As I stated earlier today (New science upsets calculations on sea level rise, climate change) the only thing I know is that there's no way carbon taxes will address this problem realistically.