There must be relatively intelligent but ecologically stupid life on these planets flying jets, driving SUV’s and using aerosol hairspray. As Al Gore teaches us, there is no other way for global warming to occur.
In the meantime, expect environmental activists to mobilize to save the other planets that are being ruined. Soon we might see Sheryl Crow’s “Concert for Uranus,” where she will ask us to go from using the one square of toilet paper per her earlier request, to 1/2 square, in order to keep this looming tragedy on Neptune from striking neighboring planets.
How bad is it? Here’s the latest photograph of the surface of Neptune, as taken from the New Horizons spacecraft: