Venice Under Water (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption If an abrupt climate change caused the rapid breakup of the West Antarctic ice sheet, sea levels could rise by several meters within a century. Credit Berkeley Lab Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.