James Bradley's recent young adult novel The Silent Invasion is a work of cli-fi for teens. The publisher's website summarizes the plot:
It's 2027 and the human race is dying. Plants, animals and humans have been infected by spores from space and become part of a vast alien intelligence.
When 16-year-old Callie discovers her little sister Gracie has been infected, she flees with Gracie to the Zone to avoid termination by the ruthless officers of Quarantine. What Callie finds in the Zone will alter her irrevocably, and send her on a journey to the stars and beyond.
Writing for The Guardian, Bradley describes his context for writing The Silent Invasion:
Environmental change destabilises not just our physical world, but also our psychic world, dislocating us from the places and rhythms that we know and rendering the familiar strange, even disturbing.
He credits Jeff VanderMeer and Timothy Morton for their descriptions of climate change as unsettling ("a haunting") or a hyperobject, "ungraspable in its totality." Here, too, is the idea of the "uncanny," also written about by Amitav Ghosh.
As I wrote The Silent Invasion, other pieces began to fall into place: the arrival of something alien on Earth; widespread panic and the battle for control; the idea of replication and the uncanny. And perhaps most importantly, the idea of a natural world that was no longer passive, but connected, sentient, its mind distributed not just through animals and humans, but plants, bacteria, all living things.