I was watching this web site and i realized you haven't met the "Venus Project", and well thats a big error, because is something you all should know about, and it haves a lot of good information about sustainability. Is powered by Jacque Fresco a very intelligent architect which came up with some powerful ideas about this subject. I leave the web site here:

https://thevenusproject.com/#video

And a video on youtube, please watch it and re-pass this info..
Parte 1- https://www.youtube.com/watch?v=DqplP-E8Dvw&feature=related

Parte 2 -https://www.youtube.com/watch?v=4Cu4qzDVjGQ&feature=related

Continue the work. By the way. Im from Trofa :)