• Official Nominator 2022 of the VinFuture Prize, the world's largest science and
    technology prize valued at $3 million
  • Selected to the 2020, and 2021 World’s Top 2% Scientists by Stanford University
  • Member, EPA’s Board of Scientific Counselors Executive Committee; and the Air, Climate and Energy Subcommittee, 2017-2020
  • Member, North Carolina Science Advisory Board, 2017-present
  • Indira Foundation Distinguished Visiting Fellow at TERI University, New Delhi, India, October-November, 2015
  • Rossby Visiting Fellow, University of Stockholm, Sweden, May-June, 2015
  • Executive Committee Member, US Environmental Protection Agency‘s Board of Scientific Counselors (BOSC), 2014-2017
  • Member, EPA’s Science Advisory Board Committee on Estimating Air Emissions from Animal Feeding Operations, 2012-2013
  • Chairman of the US EPA’s Board of Scientific Counselors’ Air, Climate, and Energy (ACE) Subcommittee, 2014-2017
  • Distinguished Alumnus Award, Indian Institute Of Technology, Kanpur, India, 2010.
  • White House Council on Environmental Quality’s Conference Calls on BP Gulf Spill May 2010
  • Advisor to First Place Ph.D. Platform Paper, Air and Waste Management Association, 2010
  • Member, EPA Science Advisory Board Committee on Hydraulic Fracturing, 2010
  • Senior National Research Council Research Associateship, 2009
  • Air and Waste Management Association‘s First Place Master‘s Thesis Award Advisor, 2009
  • Member, EPA Science Advisory Board Committee on Aging Drinking Water and Waste Water Infrastructure Research Initiative, 2009
  • North Carolina Governor‘s Award in Science, 2007
  • Director, Air and Waste Management Association, 2008-2010
  • Chair, Air & Waste Management Association Education Council, 2008-2010
  • Member, NC Governor‘s Task Force on Hazardous Materials, 2006-2007
  • Member, EPA Science Advisory Board Committee on Integrated Nitrogen, 2006-2011
  • U.S. EPA‘s Science Advisory Board, Environmental Engineering Committee, 2004-2010
  • U.S. EPA Science Advisory Board Environmental Engineering Committee Advisory on EPA‘s Sustainability Research Strategy and Multi-Year Plan, 2006-2007
  • North Carolina State University Panhellenic Association Outstanding Educator Award, 2004-2005
  • Vice Chair, Air & Waste Management Association Education Council, 2005-2008
  • Certificate of Appreciation, Southern Appalachian Mountain Institute (SAMI), 2002
  • Lyman A. Ripperton Award, Air & Waste Management Association, 2001
  • Selected by U.S. Secretary of Agriculture to serve on the U.S. Agricultural Air Quality Task Force, 2001-08
  • North Carolina Environmental Defense, “Certificate of Appreciation”, 2002. Delegation Leader, U.S. Department of State, Trends in Environmental Improvement Science and Technology Delegation to France, 2001
  • Fellow, Air & Waste Management Association, 1999
  • Frank A. Chambers Award, Air & Waste Management Association, 1998
  • Invited to testify to the General Assembly of North Carolina, 2000
  • Inducted in North Carolina State University’s Academy of Outstanding Faculty Engaged in Extension, 2000
  • Member, North Carolina Delegation, the Netherlands, 2000
  • North Carolina State Scholar, the North Carolina Progress Board, 1999
  • Invited to testify to the America’s Clean Water Foundation, Washington, DC 20013, October 1997
  • Program Scientist, US EPA and NSF Project “NOVA”, 1995-1998
  • State of North Carolina Appointee to the Southern Appalachian Mountain Initiative (SAMI) Technical Oversight Committee, 1993–present
  • Certified Qualified Environmental Professional (#06930006), 1993–present
  • Member, Editorial Board, Atmospheres, 2012-present
  • Member, Editorial Board, Journal of Atmospheric and Climate Science, 2011-present
  • Member, Editorial Board, Journal of Marine Science: Research & Dev., 2010-present
  • Member, Editorial Board, International Journal of Atmospheric Pollution Research, 2009-present
  • Associate Editor, Physical Review & Research International, 2011-present
  • Associate Editor, The Open Environmental & Biological Monitoring Journal, 2008-present
  • Associate Editor, Scientific Journals International, 2008-present
  • Reader Advisory Panel, Nature, 2008-present
  • Associate Editor, International Journal of Air Quality, Atmosphere, and Health, 2007-present
  • Associate Editor, International Journal of Applied Environmental Sci., 2004-present
  • Member, Editorial Board, Environmental Pollution (Elsevier-Science), 2000-2003
  • Member, Editorial Review Board, Environmental Manager, 1995-2001
  • Member, Editorial Review Board, The Journal of the Air & Waste Management Association (JA&WMA), 1993-2001
  • Member, Editorial Board, Chemosphere (Pergamon Press), 1992-2004
  • Outstanding Extension Service Award, North Carolina State University, 1991-1992
  • Faculty Research and Professional Development Award, North Carolina State University, 1991
  • Mission Scientist, Southern Oxidants Research Program on Ozone Non-Attainment, 1991
  • Managerial Award in recognition of Distinctive and Outstanding Accomplishments, General Electric Company, 1986
  • Distinguished Service Award, Air Pollution Control Association, Pittsburgh, 1984
  • Noryl Division Proprietary Innovation Award, General Electric Company, 1983
  • Letters of Commendation, Northrop Services, Inc., NC, 1977 and 1979
  • “One Thousand Great Americans”, International Biographical Centre, Cambridge, England, 2001
  • Who’s Who in the East
  • Men and Women of Distinction of the Dictionary of International Biography
  • Who’s Who in Technology Today
  • American Men and Women of Science