Tropics to launch into uncharted climate territory by 2038

Departure from historical climate variability projected to reach equatorial areas first

By Jessica Shugart, 13:06 PM October 9, 2013

Global temperatures will take a permanent leap above historical bounds by 2047 if greenhouse gas emissions continue unabated, a simulation suggests. In the tropics, the projected liftoff will occur by 2038.

Climate data from 1860 to 2005 served as a reference for ranges of high and low surface temperatures around the planet. Camilo Mora of the University of Hawaii at Manoa and colleagues averaged data from 39 climate simulations to project when temperatures would permanently depart from histor...

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