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Which is silly, considering the prevalence of fluid dynamics packages in design software anymore. We should be capable of designing buildings that have amazing airflow.

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Airflow can only do so much.

If the whole atmosphere is hot day and night, there's literally no way to cool down without using extra energy.

Right, in a lot of these places airflow would serve mostly to move hot air around.

Actually, a big sun shade some distance away would work without using extra energy. But it would be rather hard to build, and depending on location would require the approval of a lot of people and the government.

Does that help with humidity? With a high dew point you're sweating even at low temperatures and it's not even helping to cool you off.

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