Flood warnings: hottest year confirms global warming say experts - Telegraph

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» The two most respected national weather services in the US, Nasa and the National Oceanic and Atmospheric Administration (NOAA),

agreed that 2010 tied with 2005 as the hottest since records began in 1880.

» Overall 2010 and 2005 were 1.12F (0.62C) above the 20th century average when taking a combination of land and water

surface temperatures across the world.

» This is despite less solar activity and the onset of La Nina, an irregular cycle that brings cooler temperatures to

the Pacific Ocean.

»James Hansen, the director of NASA's Goddard Institute for Space Studies (GISS), said increasing levels of carbon dioxide

and other gases in the atmosphere since the industrial revolution are causing the global temperatures to rise.

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