What comes to mind when you hear “sustainable”? Sustainable food. Sustainable living. Sustainable buildings. The word has been handled so often, polished so carefully, and bent into so many shapes by companies and marketing teams eager to appear responsible without accepting the cost of responsibility. Architects at firms that truly believe in sustainability and the commitment it requires— at firms like Arup, SOM, or Gensler— know this exhaustion intimately. They've sat thro