Solarpunk is the speculative fiction genre that replaced dystopian doom with solar panels, community gardens, and radical hope. A complete introduction to the genre's origins, subgenres, key writers — Becky Chambers, Kim Stanley Robinson, Nnedi Okorafor, Ursula Le Guin — and how it compares to science fiction, dystopian fiction, fantasy, and horror.
You have a valid argument, maybe I am just too depressed and burned out to still see the positive.