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Ä¢¹½ÊÓÆµ researchers show that the all-time record low in winter sea ice extent in 2023 can be explained by warm Southern Ocean conditions and patterns in the winds that circled Antarctica months earlier, allowing forecasts for sea ice coverage around the South Pole to be generated six or more months in advance. This could support regional and global weather and climate models.

A new paper from the Ä¢¹½ÊÓÆµ and Polar Bears International quantifies the relationship between greenhouse gas emissions and the survival of polar bear populations. The paper combines past research and new analysis to provide a quantitative link between greenhouse gas emissions and polar bear survival rates.

Aspects of an otherwise Earthlike planet’s tilt and orbital dynamics can severely affect its potential habitability — even triggering abrupt “snowball statesâ€� where oceans freeze and surface life is impossible, according to new research from Ä¢¹½ÊÓÆµ astronomers.

Ä¢¹½ÊÓÆµ polar scientists are on Alaska’s North Slope this week for the 2016 Barrow Sea Ice Camp. Supported by the National Science Foundation, the event brings together U.S.-based sea ice observers, satellite experts and modelers at various career stages to collect data and discuss issues related to measuring and modeling sea ice. The goal is to integrate the research community in order to better observe and understand the changes in Arctic sea ice. Check out the group’s blog,…