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- "Satellite Observations of Atmospheric Aerosols: Awash in Uncertainties or Useful Constraint on Atmospheric Composition?", seminar given by Colette Heald at the University of Washington, November 18, 2011.

- "Effects of the Changing Climate and Emissions on the Air Quality in the U.S. National Parks", poster presentated by Maria Val Martin at the World Climate Research Programme Conference, Denver, October 27, 2011.

- "African dust export and impacts: an integrated satellite and model perspective", presentation by David Ridley at the First International Workshop on the Long-Range Transport and Impacts of African Dust on the Americas, October 6, 2011.

- "Global Constraints on Biogenic Particles", keynote presentation by Colette Heald at the Goldschmidt Conference, August 19, 2011.

- "Pinning down the global organic aerosol budget", invited presentation by Colette Heald at the Atmospheric Chemistry Gordon Research Conference, July 28, 2011.

- "Biogenic VOC Emissions in CESM", presentation by Colette Heald at the 16th annual CESM Workshop, June 21, 2011.
- "Global BVOC Emission Inventories: A focus on the Southeastern US", invited presentation by Colette Heald at the SOAS Workshop, May 25, 2011.

- "Examining the vertical distribution of pollutants", poster by Bonne Ford at the 5th International GEOS-Chem Meeting, May 4, 2011.
- "North African dust export: a global 3D model analysis using MODIS, MISR, CALIPSO and AERONET observations", presentation by David Ridley at the 5th International GEOS-Chem Meeting, May 2, 2011.

- "Investigating organic aerosol loading in the remote marine environment", presentation by Kateryna Lapina at the 5th International GEOS-Chem Meeting, May 2, 2011.

- "What satellite and aircraft observations can tell us about the organic aerosol budget", presentation by Colette Heald at the 5th Interational GEOS-Chem Meeting, May 2, 2011.

- "Organic Aerosol: making complicated particles seem simple", presentation by Colette Heald at the 20th anniversary celebration of the NOAA Climate & Global Change Postdoctoral Program, Washington, DC, April 14, 2011.

- "Using satellite observations to investigate natural aerosol loading", invited presentation by Colette Heald at EGU Conference, Vienna, April 5, 2011.

- "Using satellite observations to investigate natural aerosol loading", informal seminar presented by Colette Heald at l'University Paul et Marie Curie, Paris, March 22, 2011.

- "Up in the Air: connecting plants, particles and pollution", seminar presented by Colette Heald at MIT, March 11, 2011.

- "North African Dust Export: A Global 3D Model Analysis Using MODIS, MISR, CALIPSO and AERONET observations", poster presented by David Ridley at the Fall AGU Meeting, December 13, 2010.

- "Investigating Organic Aerosol Loading in the Remote Marine Environment", poster presented by Kateryna Lapina at the Fall AGU Meeting, December 15, 2010.

- "Organic Particulate Matter: New constraints from satellite and field observations", seminar presented by Colette Heald at Reed College, October 28, 2010.

- "Re-examining aerosol observations across scales to identify useful constraints for modelers", presented by Colette Heald at the Telluride Workshop on Organic Aerosol, Telluride, CO, August 2, 2010.
- "Organic Aerosol: from Oxidation to Optical Depth", presented by Colette Heald at the IGAC Conference, Halifax, Canada, July 14, 2010.

- "Using in situ and satellite observations to test our understanding of ammonia and ammonium: Prelminary Result", presented by Colette Heald at the EPRI Air Quality Model Development Meeting, July 7, 2010.
- "Organic Aerosol: a riddle, wrapped in a mystery, inside an enigma", seminar presented by Colette Heald at University of Cambridge, Cambridge, UK, June 8, 2010.
- "Organic Aerosol: a riddle, wrapped in a mystery, inside an enigma", seminar presented by Colette Heald at University of Leeds, Leeds, UK, June 2, 2010.

- "Role of the vertical structure of gas and aerosol pollutants during long range transport", poster presented by Bonne Ford at the Fall AGU, San Francisco, December 15, 2009.
- "Investigating transpacific transport of Asian aerosol using satellite observations and GEOS-Chem", poster presented by Kateryna Lapina at the Fall AGU, San Francisco, December 14, 2009.
- "Changes in chemical composition observed during organic aerosol aging", poster presented by Colette Heald at the Fall AGU, San Francisco, December 14, 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.

- "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.
[VIDEO]
- "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.
- "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.
- "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.
- "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.

- "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.
- "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.

- "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.
- "Daily Inventory of Global Biomass Burning CO Emissions from Satellite Data", poster presentation at the TRACE-P First Data Workshop, Norfolk, VA, Nov, 2001.