The BS never stops:  "New York and London could be underwater within DECADES"

And pigs might fly. It's all just theory -- and all Warmist prophecy has been wrong to date so this will be too.  Note that even Michael Mann does not believe this one

And the theory is extreme.  It starts out: "Researchers claim the initial melting of the great ice sheets will put a cap of relatively fresh water on the ocean surfaces near Antarctica and Greenland"

Maybe so but where is there any evidence of "melting of the great ice sheets"?  It hasn't happened and Antarctic ice is in fact growing

And what's this business about fresh water putting a "cap" on salt water?  Salt diffuses very rapidly in water so any cap would be very temporary -- lasting only a few days at most.  I would like to see any argument or evidence to the contrary.  It's just another implausible theory as far as I can tell but I am open to enlightenment

Most scientists agree that sea levels will rise, but some say it won't happen for centuries.  Now, a new study suggests sea levels will increase several feet over the next 50 years.  It claims the world's coastal cities, including New York and London, could be underwater by the end of the century.

'We're in danger of handing young people a situation that's out of their control,' James E. Hansen, a retired Nasa climate scientist who led the new research, told The New York Times.

The paper was released this morning by a European science journal, Atmospheric Chemistry and Physics.

'Current assessments place emphasis on practical effects such as increasing extremes of heat waves, droughts, heavy rainfall, floods and encroaching seas,' reads the study.

The consequences would include killer storms, the disintegration of large parts of the polar ice sheets and a rise in sea levels that would exceed that worlds coastal cities before the end of this century, claim researchers.

The paper talks about a specific mechanism that will provoke this abrupt climate shift.

Researchers claim the initial melting of the great ice sheets will put a cap of relatively fresh water on the ocean surfaces near Antarctica and Greenland.

This will slow down or even close the system of the ocean currents that provides heat throughout the planet, allowing some of it to escape into space.

The deeper areas of the ocean will experience warming, which will ultimately accelerate the melting of the part of the ice sheet that sits above sea level.

And the extreme temperature difference between the tropics and the poles will produce powerful storms, which will mirror those that happened 120,000 years ago when Earth experienced a natural warming, according to the paper.

Some experts see this paper as a step in the right direction to understanding when the climate experienced sudden, drastic shifts.

But others still remain hesitant about the claims made in the draft paper, released last year, and are still on the fence with the final version. 'Some of the claims in this paper are indeed extraordinary,' said Michael E. Mann, a climate scientist at Pennsylvania State University.  'They conflict with the mainstream understanding of climate change to the point where the standard of proof is quite high.'


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