- Record high Antarctic temperatures spark global sea rise worries | The region stores about 70 percent of the world's fresh water stock in the form of snow and ice, according to the Guardian. In case it were all to melt, sea levels could rise not only by 58 centimetres but rather by 50 to 60 metres. https://www.france24.com/en/20200216-record-high-antarctic-temperatures-sparks-global-sea-rise-worries 16 comments worldnews