On the other hand if there are only two people you can probably pollute as much as you are capable of without worrying (too much).
If there were only two people both of you would be living in a cave and foraging for berries because you can't sustain technological civilization with two people. You wouldn't even be capable of creating pollution.
So the cave you've been hiding in happens to be filled with long-forgotten Soviet nuclear material, which you think might help you get rid of the hungry pack of wolves outside...