Your program is about to begin. But before you start streaming, you’ll need to log in.Or sign up, if you don’t already have an account. Your program is about to begin. Sign me up Or Log in Borealis Going deep into Canada's iconic snow forest, we try to understand how black spruce and birch experience life, talk to each other and decide when the time is right to burn themselves down. Expires on Aug 5 Genre: Nature and Environment Anthology: Storyville Preview Air Dates Extras Borealis Preview Borealis Preview Watch a preview of Borealis.