Presentations
"Global Biogeochemical Cycling of Mercury: Insights from Modeling." Atmospheric Chemistry Colloquium for Emerging Senior Scientists (ACCESS X), Brookhaven National Laboratory, NY, 22 August 2009. [ppt]
“Global Impacts of Air Pollution: Mercury, Ozone and Particulate Matter.” MIT Atmospheric Sciences Seminar, Cambridge, MA, 13 April 2009. [ppt]
“Evaluating mercury exposure and source attribution using GEOS-Chem.” Fourth GEOS-Chem Scientific and Users’ Meeting, Cambridge, MA, 8 April 2009. [ppt]
"Source attribution of mercury exposure for U.S. seafood consumers: Implications for policy." 2008 AGU Fall Meeting, San Francisco, California, 19 December 2008, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract A51L-07. [ppt]
"Mercury Rising...and Falling: What Climate Scientists can learn from Hg pollution." Invited presentation at Dissertations Initiative for the Advancement of Climate Change Research (DISCCRS) symposium, Mesa, AZ, 3 November 2008. [pdf]
"What is a Persistent Organic Pollutant (POP)?" Invited presentation at: Atmospheric Chemistry, Climate and Transboundary Air Pollution: A Joint TF HTAP/NAS/AC&C Workshop, Washington, DC, 9 June 2008. [pdf]
"Lives and Careers in Science, Technology and Society." Invited panelist at Harvard University, 4 February 2008.
“Mercury in the Atmosphere, Biosphere and Policy Sphere: Constraints from a global 3D land-ocean-atmosphere model on mercury sources, cycling and deposition.” Invited presentation at Princeton University, Program in Science, Technology, and Environmental Policy, 24 May 2007. [ppt]
“A biogeochemical model for mercury in GEOS-Chem.” Third GEOS-Chem Users Meeting, Harvard University, Cambridge, MA, USA, 12 April 2007. [ppt]
“Global Mercury Science and Policy: Assessing the Salience, Credibility and Legitimacy of the Global Mercury Assessment.” 2006 AGU Fall Meeting, San Francisco, California, 10 December 2006. [ppt]
“Constraints from RGM Measurements on Global Mercury Chemistry.” Oral presentation at the Eighth International Conference on Mercury as a Global Pollutant, Madison, WI, USA, 10 August 2006. [ppt]
“The Atmospheric Cycle of Mercury and the Role of Coal-Based Emissions.” Invited presentation at Environmental Defense Science Day, New York, NY, 11 May 2006. [ppt]
“Mercury Chemistry in the Global Atmosphere: Constraints from Mercury Speciation Measurements.” Invited presentation at the Graduate Student/Postdoc Seminar Series, Department of Earth and Planetary Sciences, Harvard University, 14 February 2006. [ppt]
“Building a Global Modeling Capability for Mercury with GEOS-Chem.” Invited presentation at Earth and Planetary Sciences Day, Harvard University, 12 March 2005. [ppt]
“Intercontinental Transport of Mercury: Modeling Pathways of Contamination with GEOS-CHEM.” Invited presentation, Second Workshop on the Intercontinental Transport and Climatic Effects of Air Pollutants (ICAP), Chapel Hill, North Carolina, 20 October 2004. [ppt]
“Global Modeling of Mercury in the Atmosphere using the GEOS-CHEM Model.” Invited presentation at Linköping University, Department of Water and Environmental Studies, Linköping, Sweden, 30 January 2004. [ppt]
“Mercurial Politics: Global and Regional Interplay and Mercury Policymaking.” 2005 Berlin Conference on the Human Dimensions of Global Environmental Change, Berlin, Germany, 1-2 December 2005. [ppt]
“Global Mercury Modeling” Second GEOS-Chem Users Meeting, Harvard University, Cambridge, MA, USA, 6 April 2005. [ppt]
“Mercury in the Arctic Ecosystem: Understanding Pathways of Contamination through Atmosphere and Biosphere.” ACIA International Scientific Symposium on Climate Change in the Arctic, Reykjavik, Iceland, 10 November 2004. [ppt]
“Global Transport of Mercury Compounds.” Presentation for the Department of Earth and Planetary Sciences Graduate Student Symposium, Harvard University, 22 September 2003 [ppt].
“The Arctic Vulnerability Study and Environmental Pollutants: A Strategy for Future Research and Analysis.” The Second International Symposium on Environmental Pollution of the Arctic. Rovaniemi, Finland, AMAP Report 2002:2, p. O-046, 1-4 October 2002. (joint presentation with Henrik Selin)
“The Arctic Vulnerability Study.” Invited Presentation at the Institute for Arctic Studies, May 2002, Dartmouth College (joint presentation with Henrik Selin)
“Globalizing Information: Persistent Organic Pollutants from Regional to Global Arenas.” Presentation at the Open Meeting of the Global Environmental Change Research Community, Rio de Janeiro, 6-8 October 2001. [ppt]
“Science, Politics, and POPs.” Presentation at 5th Nordic Environmental Research Conference, Århus, Denmark, 14-16 June 2001. (joint presentation with Henrik Selin)
“Scientific Assessment and Persistent Organic Pollutants.” Invited presentation at the Copenhagen Global Change Institute (COGCI) seminar, University of Copenhagen, Denmark, December 2000.
“Modeling Global Transport of Persistent Organic Pollutants (POPs).” Presentation at the Copenhagen Global Change Institute (COGCI) seminar, University of Copenhagen, Denmark, November 2000.
“Effectiveness and Scientific Assessment: Lessons for the European Environment Agency from the Global Environmental Assessment Project.” Invited presentation for the European Environment Agency Scientific Committee, Copenhagen, Denmark, October 2000.
“Learning from LRTAP: Assessment of Persistent Organic Pollutants (POPs).” Presentation at the Global Environmental Assessment Project Seminar Series, Harvard University, May 2000.
“Learning from LRTAP: Assessment of Persistent Organic Pollutants (POPs) from Regional to Global Negotiation.” Presentation at the Global Environmental Assessment Project Seminar Series, Harvard University, December 1999.
“Drawing Lessons about Science-Policy Institutions: Persistent Organic Pollutants (POPs) under the LRTAP Convention.” Presentation at the Global Environmental Assessment Project Seminar Series, Harvard University, May 1999.
“International Action on Persistent Organic Pollutants: Developing Science-Based Screening Criteria.” Invited presentation to U.S. EPA Assistant Administrators, Washington, DC, September 1997
Posters
"Assessing Uncertainties in Modeling Aerosol Health Impacts." Poster at: Atmospheric Chemistry Gordon Research Conference, Waterville Valley, NH, 23 August 2009. [pdf]
“Global Health and Economic Impacts of Future Ozone Pollution.” Poster at: 4th GEOS-Chem Scientific and Users’ Meeting, Cambridge, MA, 8 April 2009. [pdf]
"Global Health and Economic Impacts of Future Ozone Pollution.” Poster at: Copenhagen Climate Congress, Copenhagen, Denmark, 11 March 2009. [pdf]
"Global Cycling and Deposition of Mercury: Constraints on the contribution from North American anthropogenic sources," Poster at: Atmospheric Chemistry, Climate and Transboundary Air Pollution: A Joint TF HTAP/NAS/AC&C Workshop, Washington, DC, 9-13 June 2008. [pdf]
“Chemical Cycling and Deposition of Atmospheric Mercury: Global Constraints from Observations” Poster at the 2006 EPA Graduate Fellowship Conference, 24-27 September 2006, Washington, DC, USA. [pdf]
“Estimating Global Source Influence on U.S. Mercury Deposition using GEOS-Chem.” Poster at the Eighth International Conference on Mercury as a Global Pollutant, 7 August 2006, Madison, WI, USA. [pdf]