Cracking Up (IMAGE) Columbia Climate School Caption Areas of Antarctic ice shelves buttressing glaciers vulnerable to hydrofracturing are shown in red. Blue areas adjoining the ocean are vulnerable too, but those portions do not help hold back glaciers. Smaller green and yellow areas closer to land are less vulnerable. Credit Adapted from Lai et al., Nature 2020. Usage Restrictions Credit must be given. 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.