On the airwaves, all the talk is of the new blue planet – pristine and habitable, like our own 65 million years ago, before we took it to the edge of destruction. And off the air, Billie and Spike are falling in love.
What will happen when their story combines with the world’s story, as they whirl towards Planet Blue, into the future?
Will they – and we – ever find a safe landing place?
Read our Librarian’s top climate change fiction picks by heading to our Fiction section