“Sustainable architecture is common sense rigorously applied.” That was the simple message that Chilean architect Alejandro Aravena had to offer those of us attending the Holcim Forum on the Economy of Sustainable Architecture. Were it that simple. Through three days of lectures, discussions, and site visits in Mumbai, India, two weeks ago, we wound our way through a variety of different strategies that would make the places we inhabit more sustainable—though what that means remains an open question.  Read More