First, it aims our focus at the root cause of Anthropocenic climate change – an accelerated mode of existence that is impossible without fossil fuels. Indeed, I might amend Aldo Leopold’s land ethic of 1949: ‘A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community.’ It is wrong, Illich and I would argue, when it moves faster than the speed of a bicycle. If we found ways to eliminate inefficient acceleration, we would lessen the snarged victims of the world, but there would also be some obvious beneficial cascading effects.

Gary Coll writes on the ethics of roadkill and our need for speed. (Aeon, Link)