Scottish and English councils on both sides of the border are clubbing together to come up with combined strategies for things like renewable energy, transport and tourism. They'll now meet up regularly. It's an attempt to help boost their economies.
More top news
What has the weekend weather got in store for the Border region?
Do you know what's been happening in Cumbria and the south of Scotland over the past seven days? Test yourself in our weekly news quiz.
Two small creatures from thousands of miles away could create big problems for Cumbria's rivers.