Indeed, Arrhenius definitely had a 'slight clue' in 1896. It is probably comfortable to think that we really could not have known, but I think the reality is th

Indeed, Arrhenius definitely had a 'slight clue' in 1896. It is probably comfortable to think that we really could not have known, but I think the reality is that it is often so much easier to kick the can down the road than to be careful in the present moment.