NOAA Distinguished Career Award for excellence in managing and providing scientific vision for NOAA's atmospheric research programs, and in leading international science and assessment 2015
Hinshelwood Lecturer, Oxford University UK 2010
Morino Lecturer, Japan 2009
Welch Lecturer 2009
Centenary Lecturer, Indian Institute of Science 2008
Fellow, International Union of Pure and Applied Chemistry 2008
Fellow, Royal Society of Chemistry 2005
Chancellor Lecturer, Louisiana State University 2005
American Chemical Society's award on Creative Advances in Environmental Sciences 2005
US meritorious Award for a senior professional 2004
Royal Society of Chemistry (UK) Centenary Lecturer 2003
Crawford Lecture, University of Minnesota 2003
Fellow, American Association for the Advancement of Science 2001
Elected to US National Academy of Sciences 2000
Robertson Memorial Lecturer, US National Academy of Sciences 1999
Polanyi Medal of Royal Society of Britain (Gas Kinetics Div.) 1998
Fellow, American Geophysical Union 1997
US EPA, Stratospheric Ozone Protection Award 1996
US Dept. of Commerce, Silver Medal 1995