Building the largest hanging gardens since Babylon https://www.kickstarter.com/projects/arbreauxherons/larbre-aux-herons-the-herons-tree http://www.thisiscolossal.com/2018/03/worlds-largest-hanging-garden-herons-tree/ https://inhabitat.com/this-french-art-collective-is-building-the-worlds-largest-hanging-garden/ Arboricole - A Biophilic Project Focused Smart Building by architect Vincent Callebaut http://vincent.callebaut.org/object/180314_arboricole/arboricole/projects/user https://inhabitat.com/vincent-callebauts-arboricole-tower-brings-vertical-agriculture-to-the-city/ Mobile Greenhouse Office And Garden http://enormestudio.es/mountain-in-the-moon/ https://www.treehugger.com/urban-design/mountain-on-the-moon-enorme-studio-mini.html
Venlo, Netherlands city hall has a pollution removing green wall and a cradle-to-cradle design