Awarded annually by the Dean of Graduate and Postdoctoral Affairs on the recommendation of the Chair of the Department of Civil and Environmental Engineering to an outstanding graduate student (MASc. or Phd) enrolled in the Building Engineering program and conducting research related to renewable energy, net-zero energy or high-performance buildings. Endowed in 2018 by Milfred Hammerbacher in memory of Gordon Shields, one of the founding members of the net-zero energy home coalition.