As many of you are aware, efforts are being made to civilization to be more environmentally friendly with our planet. Personally, they will never make the necessary changes in time. Due to this, I am thinking of setting my dystopian world in a version of Planet Earth that 95 % polluted and uninhabitable. The only inhabitable place on the entire planet would be a sealed dome megacity that is three times larger than Germany. Inside that city, humanity will finally be applying the environmentally friendly applications such as no fossil fuels, electric cars, and so on. The only catch is that these applications will only be used in everyday life AFTER the planet died.