Keeping the planet livable and diverse is no more objective than keeping it plastic free. Ecology is by definition a human value, the universe doesn't care abou

Keeping the planet livable and diverse is no more objective than keeping it plastic free. Ecology is by definition a human value, the universe doesn't care about CO2, biodiversity or erosion anymore than it cares about plastic bags. (But sure, subjectively, plastic bags are a lesser concern, because they merely inconvenience us and trigger our empathy when a critter chokes on them, without directly threatening our own survival).