![](https://mosaic-expedition.org/wp-content/uploads/2022/10/arctic-ocean-samples-web-1.jpg)
A major new project will help benchmark biodiversity change in the Arctic Ocean and guide conservation efforts by identifying unique species and assessing their extinction risk.
Lei Wang (l) and Michael Angelopolous (r) take temperature measurements from an ice core.
A major new project will help benchmark biodiversity change in the Arctic Ocean and guide conservation efforts by identifying unique species and assessing their extinction risk.