Amsterdam is experimenting with roofs that not only grow plants but capture water for a building’s residents. Welcome to the squeezable sponge city of tomorrow.
Source: Green Roofs Are Great. Blue-Green Roofs Are Even Better
fta:
“Not every building can go blue-green, though. The additional infrastructure isn’t itself all that heavy, but the water it holds is. So it’s relatively cheap and easy to build the system into new construction, accounting for the extra weight, but older buildings might need retrofits to accommodate that.”
Taxes on the amount of impermeable area on a property, like concrete, that incentivize landowners to develop gardens and other green spaces instead.
