The Thwaites Glacier in Antarctica is melting at an alarming rate, posing a significant threat to global sea levels. According to a New York Times analysis, if the glacier collapses entirely, it could raise sea levels by two feet over several decades, impacting tens of millions of people worldwide. The glacier acts as a barrier, holding back other Antarctic glaciers, and its disintegration could lead to further ice loss. Coastal cities, particularly in Asia, are at high risk due to their proximity to the sea and dense populations. The potential collapse of Thwaites Glacier could exacerbate global warming effects, as melting ice from Greenland and expanding ocean volumes contribute to rising sea levels.