Just because global passenger travel was curtailed during the pandemic, global shipping and air cargo continued. Yes, many aircraft have been hanging out in deserts since 2020. But for other reasons (such as slot-constrained airports and payroll protection programs backed by government), many commercial passenger jets flew empty for months, and later with covid-related passenger capacity restrictions (such as empty middle seats) for more months. Wealthy travelers also turned to their private jets and megayachts, and bought new homes to travel to, all of which are known to be huge emitters of CO2 and other pollution.
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