How Much Is 470 Gigatons Of Melting Polar Ice

Over 90% of Earth’s ice mass is locked up in Greenland and Antarctica. As our greenhouse gas emissions warm the planet, those areas, along with glaciers worldwide, melt 470 gigatons of polar ice into the sea, contributing to sea level rise. What is one Gigaton of Ice, what does it compare to 0:42 Melting polar ice...