Wow, so many great ideas and thoughts shared in here. Where to beginning answering is a bit baffling...

I remember reading on this subject after having had a load of experience relating to this matter. I can't help but think that we are slowly but surely forcing ourselves into a much more condensed style of architecture while spreading the communities here and on the specific areas where resources will still be available #1 being healthy lands and water!

Secondly, I was so glad to see that your presentation included both energy and food security. In deed, building in heights allows us to use a monumental amount of wind power greatly underused at the moment in the styles of architectures we see around the world. I very strongly believe the turbines/fan should be included within the building and so should the food growing system.

Since we save so much energy by living together and rising by opposition to spreading, the architecture designs of the near future will have to move toward efficiency and the rise and grouping of our buildings will coalesce toward maximum efficiency points depending on the ecosystems we'll find ourselves.

Thanks again for this great opportunity to share and for your triggering questions. What a pleasure! All for one and one for all! Namaste :)