Cooling green roofs seemed like an impossible dream for Brazil's favelas. Not true!
8mon 3d ago by piefed.social/u/artifex in urbanism@slrpnk.net from www.npr.org
Cheap, lightweight hydroponics systems that use material recycled from plastic bottles reduce the "heat island" effect and can be installed on just about any kind of structure - even those that could never support the weight of a conventional green roof.