{"Page SDG":"SDG11 Sustainable cities and communities","Page URL":"https://www.appropedia.org/Green_walls","Page description":"Green walls help cool buildings and clean the air. Appropedia shares how they work and how to add them to homes or cities.","Page image":"File:3 level living wall.jpg","Page keywords":"Alternative building, Urban agriculture, Sustainable agriculture, green construction","Page language":"en","Page license":"CC-BY-SA-3.0","Page title":"Green walls","Page views":"2185","Page year":"Thursday, 01-Jan-09 00:00:00 UTC","Modification date":"Friday, 28-Nov-25 12:53:37 UTC"}