Posted: 29 Aug 2012 06:46 AM PDT
The
Arctic was in a cooling phase from 1900 to 1925, a warming phase from
1925 to 1960, a cooling phase from 1960 to 1990, and a warming phase
from 1990 to Present, all while CO2 ppMv was steadily increasing. An
indication of warming in the Arctic is the sea ice volume (extent x
thickness) decreasing since about 1960. http://theenergycollective.com/willem-post/107316/global-warming-coal-combustion-and-sea-level-rise?utm_source=feedburner&utm_medium=email&utm_campaign=The+Energy+Collective+%28all+posts%29
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