Contributors: W.N. Adger, C. Bann, J.I. Barnes, K. Brown, R. Cervigni, B. Day, M. Gaarder, A. Kontoleon, C. Lovell, D. Maddison, A.S. Moraes, D. Moran, S. Mourato, D. Pearce, F. Putz, J. Smith, C. Sullivan, T. Swanson, J. Swierzbinski, D.N. Tiwari, J.K. Vanclay, Q. Wang, D. Waughray, Q. Xuejun, C. Yang, G. Yaron, B.H. Yeo