Oftentimes grey interferes with the function of green but that’s a design issue. To take municipal flooding as an example, Phoenix can use grey to shunt water as fast as out of the city or use green to become a sponge city and prevent massive drought down the road. But at least with conventional approaches, green and grey are very much at odds with each other in terms of what they are trying to accomplish.
“Green infrastructure appreciates, grey infrastructure depreciates.” - love this quote. So obvious it should smack you in the face, but it often gets lost.
Oftentimes grey interferes with the function of green but that’s a design issue. To take municipal flooding as an example, Phoenix can use grey to shunt water as fast as out of the city or use green to become a sponge city and prevent massive drought down the road. But at least with conventional approaches, green and grey are very much at odds with each other in terms of what they are trying to accomplish.
“Green infrastructure appreciates, grey infrastructure depreciates.” - love this quote. So obvious it should smack you in the face, but it often gets lost.
Nice thought-provoking article.