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An irreversible loss of the West Antarctic and Greenland ice sheets, and a corresponding rapid acceleration of sea level rise, may be imminent if global temperature change is not limited below 1.8 degrees Celsius, according to a study.
Coastal populations worldwide are already bracing for rising seas. However, planning for counter-measures to prevent inundation and other damages has been extremely difficult, the researchers said.
This is because the latest climate model projections presented in the 6th assessment report of the Intergovernmental Panel on Climate Change (IPCC) do not agree on how quickly the major ice sheets will respond to global warming, they said.
![Secretary General Antonio Guterres and Executive Secretary Patricia Espinosa taking questions on the first day of the conference [image by: UNclimatechange / Flickr]](https://i0.wp.com/impactnews.in/wp-content/uploads/2019/12/Secretary-General-Antonio-Guterres-and-Executive-Secretary-Patricia-Espinosa-2-e1575365575142.jpg?resize=300%2C180&ssl=1)
![Secretary General Antonio Guterres and Executive Secretary Patricia Espinosa taking questions on the first day of the conference [image by: UNclimatechange / Flickr]](https://i0.wp.com/impactnews.in/wp-content/uploads/2019/12/Secretary-General-Antonio-Guterres-and-Executive-Secretary-Patricia-Espinosa-2-e1575365575142.jpg?resize=80%2C80&ssl=1)
