There is little in the architecture of a city that is more beautifully designed than a tree.

If you want creativity, take a zero off your budget. If you want sustainability, take off two zeros.

I always run into these Ph.D.s. They write and write and write about sustainable development. Then these guys ask me, 'But, how do you do it?' They are scared to death to do anything.

We can’t have landfills forever and we can’t ask others to accept our trash.

Brazil will change when its cities change.

Bureaucracy is like a fungus that contaminates everything.

A lot of people assume that the expensive ideas are the most effective ones, but that is simply not true.