Source: Climate News Network
By Alex Kirby
LONDON, 23 May – Several leading authorities on climate change have given a guarded welcome to research suggesting the Earth may warm more slowly than scientists had expected. An international research team led by Dr Alexander Otto of the Environmental Change Institute (ECI) at the University of Oxford, UK, has reported its conclusions in the journal Nature Geoscience. The Earth is now warming faster than at any time in the last 11,000 years, but scientists do not understand clearly why the atmosphere has warmed less than they expected over the last decade or so, and more slowly than in the 1990s.
The researchers looked at how the last decade would affect the long-term sensitivity of the climate to a doubling of atmospheric concentrations of carbon dioxide, and suggest the Earth will warm more slowly than expected this century. But even though the heating may be slower, giving politicians more time to act, the scientists still believe temperatures will eventually climb to 4°C above pre-industrial levels, well above danger levels.
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