Maybe everyone shouldn't use exactly the same amount of resources (e.g. living in some places "naturally" requires more energy for heating/cooling than others),

Maybe everyone shouldn't use exactly the same amount of resources (e.g. living in some places "naturally" requires more energy for heating/cooling than others), but so long as the externalities associated with consumption are not accounted for (and equitably used to compensate those harmed by consumption), I think there's a reasonable case to be made e.g. the rich American neighborhood with large air-conditioned houses and private pools, whose residents do several long-haul flights per year and buy a lot of consumer goods with high intrinsic carbon, etc etc, is meaningfully contributing to the harm of people who die in a heat wave, or larger storm or flood than would otherwise occur, or whose homes are lost to rising water, etc. If you're flying on a private jet or something, why _shouldn't_ you be singled out?