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2009
- "Organic Carbon in the Troposphere: Mysteries and Challenges", seminar presented by Colette Heald at Michigan Technological University, October 19, 2009.

- "Organic Aerosol Aging: Insight from Van Krevelen Plots", poster presented by Colette Heald at the Atmospheric Chemistry Gordon Research Conference, Waterville Valley, NH, August 26, 2009.
- "Investigating transpacific transport of Asian aerosol using CALIPSO and GEOS-Chem", poster presented by Kateryna Lapina at Atmospheric Chemistry Gordon Research Conference, Waterville Valley, NH, August 26, 2009.
- "Global Budget of Organic Aerosol from Fungal Spores", poster presented by Colette Heald at the Goldschmidt Conference, Davos, Switzerland, June 22, 2009.
- "Natural aerosols: Global budgets and climate implications", Colette Heald, seminar at Aerodyne Research, Inc., April 10, 2009.

- "Primary Biological Aerosol Particles: An important part of the global organic aerosol budget?", Colette Heald,GEOS-Chem User's Meeting, April 7, 2009.

2008
- "Global Linkages Between Vegetation, Atmospheric Composition and Climate", Fall AGU (invited), San Francisco, CA, December 19, 2008.

- "Biogenic Emissions of Organics: Global Budgets and Implications", IGAC Conference, Annecy, France, September 11, 2008.

- "Modeling Organic Aerosol: WHERE are we going wrong?", Telluride Workshop on Organic Aerosol, Telluride, CO, August 4, 2008.

- "Organic Carbon during AMAZE-08: Preliminary model analysis", AMAZE Science Team Meeting, Boulder, CO, July 24, 2008.

- "Organic Carbon in the Troposphere", NOAA ESRL CSD seminar, June 11, 2009.

- "Organic Carbon in the Troposphere: How much is there and can we predict the future", NCAR ACD seminar, May 19, 2008.

- "SOA vs POA in the Amazon: Current model estimates and predicted change", presented at the Aerosols in the Amazon workshop, Manaus, Brazil, February 18, 2008.

- "Update on SOA and Biogenic VOC Emissions in CAM/CLM", presented at Chemistry Climate Working Group Meeting, February 12, 2008.
2007
- "Total Observed Organic Carbon (TOOC) in the Atmosphere", poster presented at the Atmospheric Chemistry Gordon Conference, Big Sky, Montana, August 30, 2007.
- "Predicted change in global secondary organic aerosol in response to future climate, emissions and land use change", presented at the IUGG Conference, Perugia, July 9, 2007.

- "Predicted change in global SOA in response to future climate, emissions, and land-use change", presented at the 12th Annual CCSM Workship, June 19, 2007. [
- "Organic Carbon Aerosol: Insight from recent aircraft field campaigns", pres
ented at the GEOS-Chem User's Meeting, April 11, 2007.

- "Sensitivity of secondary organic aerosol to future climate and emissions", poster presented at the Biogenic Hydrocarbon Gordon Research Conference, Ventura, CA, February 26, 2007.
- "Update on CAM/CLM Biogenic VOC Emissions and SOA", presented (for CLH by Peter Hess) at the Chemistry-Climate Working Group Meeting, Boulder, CO, February 26, 2007.
2006
- "Investigating the Sources of Organic Carbon Aerosol in the Atmosphere", presented at the Young Scientists' Global Change Conference, Beijing, November 7, 2006.

- "Organic Carbon Aerosol: Insight from recent aircraft field campaigns", seminar presented at Stanford University, Palo Alto, CA, October 27, 2006.

- "Organic Carbon Aerosol", presented at the 7th NOAA Summer Institute, Steamboat Springs, CO, July 12, 2006.

- "Observing Tropospheric Composition: Insights on the sources and fate of pollution", seminar presented at Colorado State University, CO, May 22, 2006.

- "Organic Carbon Aerosol: Insights from the ACE-Asia and ICARTT field campaigns", seminar presented at Stony Brook University, Stony Brook, NY, April 26, 2006.

- "Secondary Organic Aerosols: what do we know and what is included in CAM", presented at the Chemistry-Climate Working Group Meeting of the Community Climate System Model, Boulder, CO, March 22, 2006.

- "Transpacific transport of pollution as seen from space", presented at the Air Quality Remote Sensing Meeting, Boulder, CO, February 22, 2006.

- "A large organic aerosol source in the free troposphere missing from current models", poster presentation at the 1st iLEAPS Meeting, Boulder, CO, January 23, 2006.
2005
- "Organic Carbon Aerosol in the Free Troposphere: Insights from ACE-Asia and ICARTT", presented at the Fall Meeting of the AGU, San Francisco, December 8, 2005.

- "Investigating sources of organic carbon and tracking transpacific transport: Integrating aerosol observations and models", presented at the University of Toronto, Canada, November 21, 2005.

- "Transpacific transport of anthropogenic aerosols: Integrating ground and satellite observations with models", presented at the AAAR meeting, Austin, Texas, October 18, 2005.

- "A large organic aerosol source in the free troposphere missing from current models", poster at the Atmospheric Chemistry Gordon Research Conference, Big Sky, MT, September 7, 2005.
- "Asian combustion sources and transpacific transport: An integration of satellite and in situ observations with global models", presented at ACCESS VIII, Yellowstone, WY, September 2, 2005.

- "Transpacific transport of anthropogenic aerosols and implications for North American air quality", presented at EGU, Vienna, Austria, April 27, 2005.

2004
- "Understanding Asian combustion sources and transpacific transport: An integration of satellite and in situ observations with global models", presented at GFDL, Princeton, NJ, November 18, 2004.

- "Comparative inverse analysis of MOPITT and aircraft observations to estimate Asian sources of carbon monoxide", presented at the AGU/CGU, Montreal, Canada, May 20, 2004.
- "Integrating aircraft and satellite observations: Understanding Asian CO Sources", presented at EPS Day, Harvard University, February 21, 2004.
2003
- "Integrating aircraft and satellite observations to constrain Asian sources of CO", poster presentation, Fall AGU, San Francisco, USA, December 12, 2003.
- "Transpacific satellite and aircraft observations of Asian pollution", presented at the Spring EGS/AGU, Nice, France, April 8, 2003.

- "Transpacific satellite and aircraft observations of Asian pollution: An Integration of MOPITT and TRACE-P", presented at the NASA Aura Science Team Meeting, Lanham, Maryland, March 19, 2003.

2002
- "Characterizing transpacific transport events of Asian pollution as observed by aircraft and MOPITT during TRACE-P", poster presented at the IGAC meeting, Heraklion, Greece, September, 2002.
- "Daily Inventory of Biomass Burning Emissions using Satellite Observations and Using Satellite Observations of CO from MOPITT", presented at the TRACE-P 2nd Data Workshop, Norfolk, VA, June 23, 2002.
- "Developing Daily Biomass Burning Inventories from Satellite Observations and MOPITT Observations of CO during TRACE-P", presented at the NASA IDS Meeting, Duke University, April 26, 2002.
- "MOPITT Observations of CO during TRACE-P: Future Work at Harvard University", presented at the MOPITT Science Team Meeting, Boulder, CO, Feb. 7-8, 2002.
2001
- "Daily Inventory of Global Biomass Burning CO Emissions from Satellite Data", poster presentation at the TRACE-P First Data Workshop, Norfolk, VA, Nov, 2001.