Greenland: What do we know about ongoing NATO-US talks for a framework?

French President Emmanuel Macron will be hosting the leaders of Denmark and Greenland on January 28 to reaffirm support for the territory's sovereignty and their alliance. On a trip to Paris's Sciences Po University, Danish Prime Minister Mette Frederiksen reiterated that "the best way forward is for Europe to stick together and to find a way forward with the United States over shared Arctic Security concerns." The visit comes as negotiations are continuing with Washington. But what do we know about it?