Anticipating Future Sea Levels

anticipating sea levels

Scientific organizations like the Intergovernmental Panel on Climate Change (IPCC) are publishing sea level rise projections with increasing levels of confidence. In its 2019 report, the IPCC projected (chart above) 0.6 to 1.1 meters (1 to 3 feet) of global sea level rise by 2100 (or about 15 millimeters per year) if greenhouse gas emissions remain at high rates. By 2300, seas could stand as much as 5 meters higher under the worst-case scenario. If countries do cut their emissions significantly, the IPCC expects 0.3 to 0.6 meters of sea level rise by 2100.

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