Why should we be reducing emissions, especially carbon dioxide? Why not completely eliminate emissions of Dihydrogen monoxide, instead? 

Reducing flights aligns with the started goal of reducing emissions

Murch

I think the rich would suddenly find an interest in sea cruises! Or maybe even taking a train (private car) to a hiking venue and enjoy it. Aren’t there myriad ways to dodge a tax like this? Don’t they all have tax advisors?