The Pine Island glacier has three tipping points that could lead to the collapse of the entire West Antarctic ice sheet, potentially raising sea levels by 3 metres of centuries
Source:
https://www.newscientist.com/article/2241895-its-impossible-to-predict-if-crucial-antarctic-glacier-will-collapse/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home