Should we say farewell to the Arctic's unique nature?
A warmer Arctic could lead to major changes in Arctic plant communities that will influence local and perhaps even global climate.
The region is warming faster than anywhere else on Earth and its polar bears and melting glaciers have become a key symbols of climate change. But the Arctic, it seems, is not as well researched as you might think.
The letter is signed by more than 650 academics from a number of research fields in Denmark. They are calling for universities to lead by example, and implement climate friendly policies in the workplace in the hope of inspiring change in other sectors.
For the past two years, scientists from the Geological Survey of Denmark and Greenland have skied across the Greenland ice sheet to see how much snow is accumulating. Their data will ultimately improve projections of sea level rise.
Possible cuts to US climate and satellite programs have scientists on both sides of the Atlantic concerned. Europe is already talking a lead in the face of US uncertainty, but they should not be complacent, say scientists.