I think I can come up with maybe one or two.
The current way we decide on infrastructure projects in Norway is through environmental impact assessments. If the Sami Parliament and the Government of Norway decided to put some serious effort into developing the environmental impact assessment regime further, that could really help.
Among other things, indigenous knowledge is always rooted in indigenous languages. Putting more focus on also making impact assessments in indigenous languages, by indigenous researchers, could be a step on the way.