We would have to make it sustainable eventually, since it’s the only practical way for passengers to travel between americas/australia/afroeurasia. I guess something hydrogen-based is the most likely candidate for reducing the carbon impact.

Hoovering and hydrofoils have been under-explored, but yes, speed is necessary for long-distance travel.

Defining “green” as energy consumption is quite exotic. More commonly it has to do with resource (carbon and others) footprint.

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So “larger companies” are using jitsi for meetings? My experience is that they’ve never heard of it. To them zoom is the only alternative to teams. The most enlightened ones use google meet to the awe of others.

Well, hard to “just pirate” office365, teams or sharepoint. European institutions sold their asses and the public sector is in the deepest pond