Among his honors are the 2018 Carnegie Science Center Award for the Environment, the 2010 Heinz Award for the Environment, the inaugural Charles E. Kaufman Award of the Pittsburgh Foundation, the 2007 Award of The New York Metropolitan Catalysis Society, the USEPA’s 1999 Presidential Green Chemistry Challenge Award, the Pittsburgh Award from the American Chemical Society, Japan’s Society of Pure and Applied Coordination Chemistry Award, and many others. Collins is a Distinguished Alumni Award recipient from the University of Auckland where he is an Honorary Professor. He is a Fellow of the Royal Society of New Zealand (Hon), the ACS, and the Alfred P. Sloan Foundation, and he received a Dreyfus Teacher-Scholar Award.