The Arctic just recorded its 7th-lowest ice extent for this time of year ❄️ 📉 According to NASA, "Sea ice is shrinking and getting younger. Today, most Arctic sea ice is thinner, first-year ice, which is less able to survive the warmer months than older, thicker sea ice." A NASA study showed fall sea ice is now around 4.2 feet thick, down from a peak of 8.8 feet in 1980. About 40% of Arctic summer sea ice has vanished since 1979, and it could disappear entirely around mid-century, according to