What’s going on with Earth’s ice sheets? 🧊 Paige and Pho, the mascots for NASA Goddard's ICESat-2 mission, chatted with ICESat-2 deputy project scientist Denis Felikson for an update. The ice sheets in Antarctica and Greenland are shrinking. At the edges of the ice sheets, the warmer ocean water causes the ice to melt and, in some cases, break off icebergs into the sea. Around the world, ice sheets are melting at a rate fast enough to fill four Olympic-sized swimming pools every second. Over th