Thursday 3rd November 2011. All interviewees at the CTBUH 2011 Awards Symposium were asked the same question: "Can tall buildings ever truly become carbon-neutral?" Responses include: Adrian Smith, Adrian Smith + Gordon Gill Architecture; Craig Webb, Gehry Partners; Matthias Sauerbruch, Sauerbruch Hutton; Chris Wilkinson, Wilkinson Eyre Architects; Craig Gibbons, Arup; John Bowers, Gehry Partners; Joseph Rechichi, Forest City Ratner Companies; Toby Blunt, Foster + Partners; Dr. Akira Wada, Architectural Institute of Japan. Less