> Air travel is 1.9% of global emmissions. 2% of a lot is still a lot, and keep in mind that these 2% of emissions are being emitted by a very very small group

> Air travel is 1.9% of global emmissions. 2% of a lot is still a lot, and keep in mind that these 2% of emissions are being emitted by a very very small group of people (relative to world population) > Overcharge large households using energy above a given quota per square foot That's a terrible metric, it just encourages bigger houses. Better just to make energy more expensive, and tax house size (which most countries already do) > Exponentially progressive tax on personal vehicles above 2000cc. Quite standard across the globe