1. growing vegitation on top of a building: what is it called?
3. what are three ways trees cool down an area?
http://www.illinoistimes.com/gyrobase/Content?oid=oid%3A8010
Shade and water evaporation from leaves are two of them.
3. what are three ways trees cool down an area?
Shade and water evaporation from leaves are two of them.