A new study finds that a multi-century melting of the globe's ice sheets and rise in sea levels can only be averted by limiting human-caused global warming to 1.5°C or less — which many scientists don't consider feasible.
to 1.5°C or less, which many scientists don't consider feasible, can a multi-century melting of the globe's ice sheets and increase in sea levels be averted, a new study finds.Along with extreme weather events, sea level rise is a climate change impact that is already being felt in coastal communities.during astronomical high tides, as well as greater coastal flooding during storm events.
The study projects sea level rise through 2150 of between 8 inches and 4.6 feet, and notes that these are likely conservative numbers due to the way the model simulates how sensitive the climate is to increased greenhouse gas concentrations. Currently, assuming countries' voluntary emissions pledges are all met, the world is headed for about 2.4°C of warming through 2100 compared to preindustrial levels, according to theThe new research drives home the point that even if global warming slows near or just after 2100, as would be the case in moderate to high emissions scenarios, ice sheet contributions to sea level rise would keep accelerating well beyond that.
"However, our simulations suggest that the worst consequences can still be avoided if we do sufficiently reduce emissions within the next decades," he said.a climate scientist at UC Irvine and NASA who was not involved in the new study, told Axios the main findings are worth emphasizing.
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