Antarctic sea ice hits winter record low The Antarctic sea ice is reaching the lowest levels for this time of year since records began 45 years ago, alarming scientists ANTARCTIC SEA ICE EXTENT Millions of square kilometres 22.5 20 17.5 15 12.5 10 7.5 5 2.5 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Each line represents one year Black line: Average from 1981 to 2010 Jul 2023: 14.1 million sq km – more than 2.6 million sq km below 1981 to 2010 average, an area nearly as large as Argentina Median July ice extent, 1981-2010 Sea ice on July 17, 2023 Weddell Sea ANTARCTICA South Pole Ross Sea SOUTHERN OCEAN While natural climate variability affects sea ice, many scientists believe climate change may be major driver for disappearing ice Picture: David Peterson via Pexels Source: National Snow and Ice Data Center (NSIDC) © GRAPHIC NEWS