From: Rachel Lentz via University of Hawaii At Manoa
Published November 9, 2016 02:46 PM

A new study concludes warm climate is more sensitive to changes in CO2

It is well-established in the scientific community that increases in atmospheric CO2 levels result in global warming, but the magnitude of the effect may vary depending on average global temperature. A new study, published this week in Science Advances and led by Tobias Friedrich from the International Pacific Research Center (IPRC) at the University of HawaiÊ»i at Mānoa, concludes that warm climates are more sensitive to changes in CO2 levels than cold climates.

Increasing atmospheric CO2 concentrations cause an imbalance in the Earth’s heat budget: more heat is retained than expelled, which in turn generates global surface warming. Climate sensitivity is a term used to describe the amount of warming expected to result after an increase in the concentration of CO2. This number is traditionally calculated using complex computer models of the climate system, but despite decades of progress, the number is still subject to uncertainty.

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