This contributes about a third of the observed 3mm rise in sea levels every year.
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What does that mean for sea levels around the world and for the climate in general?
He looked at sea levels starting in 1950, and noticed a change beginning in 1990.
Since sea-ice is already in the water, its melting has little effect on sea levels.
Indeed, a warmer planet and higher sea levels are not in and of themselves a problem.
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These zones are on the front line of global warming, rising sea levels and tsunamis.
But Hansen has testified that it can do that in 100 years, raising sea levels 23 feet.
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Researchers will investigate reductions in ice sheets and explore the impact on sea levels and marine ecosystems.
Ironically, rising sea levels and temperatures appear to be causing methane releases from hydrates with or without drilling.
The latest information on sea levels and high tides is available from the NOAA's National Ocean Service.
About 3 out of 4 people said rising sea levels caused by global warming is a serious problem.
The anticipated rise in sea levels due to climate change will result in coastlines receding worldwide through erosion.
If you're a small island nation, for example, you're interested in safeguarding your shores from rising sea levels.
It's measured in a changing climate, as sea levels rise, and droughts spread, forest burns, and storms rage.
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At the current rate, it will cause sea levels to rise about 2.4 inches over the next century.
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The potential for a once-in-a-century subway flood has been a growing cause for concern as sea levels have risen.
All this research, they say, points to sea levels rising beyond current predictions.
Rising sea levels were on pace to create more refugees in China than in any other country, even Bangladesh.
"The signals suggest there is no immediate threat" from rising sea levels, Prof.
The issue of rising sea levels has gained more attention in recent months.
But it did not destabilise the ice sheet or provide a new reason to worry about rising sea levels.
Indeed, for 90% of human existence, sea levels have been lower than present by as much as 130 m.
Currently, measured sea levels are going up by about 0.8 millimetres per year with no apparent acceleration in that increase.
The dogs only failed to reach Tasmania because rising sea levels had inundated the Bass Strait some 6, 000 years earlier.
Already we are seeing that polar ice is melting faster than expected and sea levels are rising beyond many projections.
The melting of an ice shelf, which is merely a floating projection into the sea, would not affect sea levels.
The Environment Agency wants to maintain defences along the River Ouse and coastline between Newhaven and Seaford as sea levels rise.
That would take a much, much larger temperature increase, and the rising sea levels would be only one of many headaches.
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Stories that sea levels have risen dramatically around New York City because of global warming are a bit of a stretch.
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