“At 24.5 acres, Millennium Park is the largest green roof in the world. It covers two parking garages, a railway, and an opera hall.”
Great photo essay at PBS on the green roofs of Chicago.
This is so cool! There are so many things we can do to mitigate our impact on natural Earth. Why waste all of this space with useless nothing? I hope more inspiring ideas follow. You never know where our imaginations can take us!