Back on 2008 someone made a satirical short film skewering the premise of buying “carbon credits” by applying the same logic to marital fidelity:
CheatNeutral.com offers a unique market-based solution to this essential problem of modern life. For the cost of a condom, those who have cheated on their partners - whether a drunken hook-up at the office party or a sustained period of bigamy - can have their cheating ‘offset’ by a global network of fidelity.
(The link above is dead and the video is far longer than it needs to be but you get the idea.)
