[zeveb]

> There's a Pascal's wager in this situation. In the worst case, there's no cognitive effect from pollution, but you clean up the environment anyway.

And, as with Pascal's wager, that's unconvincing: one could spend all that money differently, on things one would like (just as in Pascal's wager, choosing to believe in God isn't cost-free: it means loving others, being charitable &c., even if one would rather not).