Science Source
Near-term acceleration in the rate of temperature change
- Finds that present trends in greenhouse-gas and aerosol emissions are now moving the Earth system into a regime in terms of multi-decadal rates of change that are unprecedented for at least the past 1,000 years
- Finds the rate of global-mean temperature increase in the CMIP5 archive over 40-year periods increases to 0.25 ± 0.05 °C (1σ) per decade by 2020, an average greater than peak rates of change during the previous one to two millennia
- Shows that regional rates of change in Europe, North America and the Arctic are higher than the global average
- Asserts that research the impacts of such near-term rates of change is urgently needed
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