The economy does not occur naturally. We can turn the knobs on this equation by just having some taxes. For example, carbon taxes. That should change your calculus pretty significantly.
But apparently it is: I certainly didn't peg desert dust to be top spot. Anakin was right
Admittedly I did smush the two together so I'd have to rethink whether "all deaths [that are] linked to pollution" is as reasonable as "all deaths [that are] linked to air pollution" -- I suspect it probably still would be because of the sheer scale of fossil fuels, but regardless, desert sand still beats fossil fuels anyway