Proceedings of the National Academy of Sciences, Volume 123, Issue 14, April 2026. SignificanceAntarctic sea ice is an integral component of the climate system, regulating heat and CO2exchange between the surface and deep ocean. Contrary to the gradual ice loss predicted by climate models, we have observed ice expansion until 2015, …
Last updated: April 08, 2026 10:28 PM
CO₂
431.7ppm
+2.5
/ year
CH₄
1945.85ppb
+8.44
/ year
Temp
+1.48°C
Peak +1.73°C
Population
8.1B
+67M
/ year