CO2 reduction will happen one filthy, grotty transaction at a time. It&#x27;ll take exactly as long as it will take and there&#x27;s probably [sweet fanny adams] anyone can do about it, other than build a thing that helps it along.<p>I have living relatives who saw the transition from mules to tractors. It wasn&#x27;t just <i>nicer</i>, it meant killing yourself much less slowly. Yes, they are that old, and they  all look like tintypes from the 19th century - that gaunt, hollow look that working that hard gives you.