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The climate won’t warm as much as we feared – but it will warm more than we hoped – Australian Times

A major new assessment has now calculated a range of 2.6–3.9℃. This implies that alarmingly high estimates from some recent climate models are unlikely.

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Steven Sherwood, UNSW; Eelco Rohling, Australian National University, and Katherine Marvel, NASA
We know the climate changes as greenhouse gas concentrations rise, but the exact amount of expected warming remains uncertain.
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Scientists study this in terms of equilibrium climate sensitivity the temperature rise for a sustained doubling of carbon dioxide concentrations. Equilibrium climate sensitivity has long been estimated within a likely range of 1.5-4.5.
Under our current emiss…

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