For the visionary landscape designer Diana Balmori, green roofs are just scratching the surface. The real challenge is to rethink how our cities relate to their natural surroundings.
Nothing has so disfigured our landscape as strip malls and big-box stores. But the same market forces that created them may now be turning them into dinosaurs.
Redesigning our neighborhoods to reduce the amount of energy used for transportation, as well as the energy used in buildings themselves, is a key step in curbing global warming.