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The El Nino and La Nina does mean temperatures varies a lot from year to year. 2010 was warmer than 1998, yet it did not have an El Nino as strong as in 1998.


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The increase in aerosols also seems to have offset the warming a bit. http://www.noaanews.noaa.gov/stories...particles.html

Oh and when has steam from cooling towers suddenly become smoke. lolz