Acknowledgement prizes were presented to Sheila Kennedy and J Frano Violich of Kennedy & Violich Architecture of Boston for the Chrysanthemum Building; architects Nader Tehrani and Katherine Faulkner of NADAAA in Boston for the renovation and extension of the University of Toronto’s John H Daniels building; a public park and interactive wall for urban revival in Seattle by Paris-based ABF-lab architects; and to Peter and Hadley Arnold of the Arid Lands Institute, Woodbury University for Divining LA, a digital tool for urban design and water-use planning in Los Angeles.