Presentations

2023 | 2022 | 2021 | 2020 | 2019 | 2018

2024

• The science of climate change, presented by Daniel Jacob to the Executive Education Program: “Climate Change and Energy: Policy Making for the Long Term”, Harvard Kennedy School, March 11, 2024

• Integrated Methane Inversion (IMI) Startup: A software tool to monitor methane emissions using satellite observations, presented by Daniel Jacob, Alex Goodman, Lucas Estrada, and Daniel Varon to the Harvard Office of Technology Development, February 16, 2024.

• Intercomparison of tropospheric oxidant chemistry in a common Earth system model environment using GEOS-Chem and CAM-chem chemistry within CESM2, presented by Haipeng Lin at CESM Atmosphere Model, Chemistry Climate, and Whole Atmosphere Working Group Meeting 2024, NCAR, Boulder, CO, February 14, 2024.
• Intercomparison of tropospheric oxidant chemistry in a common Earth system model environment using GEOS-Chem and CAM-chem chemistry within CESM2, presented by Haipeng Lin at AMS, Baltimore, MD, January 30, 2024.
• Quantifying atmospheric methane emissions with satellite observations, presented by Daniel Varon at Harvard Atmospheric & Environmental Chemistry Seminar, Cambridge, MA, February 2, 2024. [PPT w/ videos]
• Continuous weekly monitoring of regional methane emissions with TROPOMI satellite observations, presented by Daniel Varon at AMS, Baltimore, MD, January 31, 2024.

2023

• Quantifying NOx point sources with Landsat and Sentinel-2 satellite observations of NO2 plumes, presented by Daniel Varon at AGU Fall Meeting, San Francisco, CA, December 11, 2023.
• What can we learn about tropospheric OH from satellite observations of methane? presented by Elise Penn at AGU Fall Meeting, San Francisco, CA, December 14, 2023. 
• Drivers of smoke air quality in western United States from 1992 to 2020: Natural variability and anthropogenic climate change, presented by Xu Feng at AGU Fall Meeting, San Francisco, CA, December 14, 2023.
• A blended TROPOMI+GOSAT satellite data product for atmospheric methane using machine learning to correct retrieval biases, presented by Nicholas Balasus at AGU Fall Meeting, San Francisco, CA, December 14, 2023.
• Satellite-based detection and attribution of methane emissions, presented by Daniel Jacob at COP28, December 6, 2023.
• Implementing software engineering best practices in GEOS-Chem: Transforming a research project into a software product, presented by Bob Yantosca at Washington University in St. Louis, November 8, 2023.
• Using satellites to guide methane emission reductions, Harvard Speaks on Climate Change seminar series (remote), October 25, 2023.
• Using satellite-based detection of methane emissions to contribute to the U.S. regulatory process, seminar by Daniel Jacob at the Salata Institute, Harvard Kennedy School, October 12, 2023.
• Continued development and application of a prototype system for exploiting satellite data to improve knowledge of methane emission fluxes with focus on North America, presented by Daniel Jacob at the NASA Carbon Monitoring System Science Team meeting, Pasadena, September 28, 2023.
• Improved understanding of PM2.5 in Korea and China through integrated modeling and analysis of satellite, aircraft, and surface observations, presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review, Suwon, Korea, September 11, 2023.
• Why is ozone in South Korea and the Seoul Metropolitan Area so high and increasing? presented by Nadia Colombi at the 14th GEMS workshop, Jeju, South Korea, September 7, 2023.  
• A blended GEMS+TROPOMI product for tropospheric NO2 using machine learning to correct retrieval errors, presented by Yujin Oak at the 14th GEMS workshop, Jeju, South Korea, September 8, 2023.
• Investigating the effects of NOx emission and chemistry on the diurnal variation of NO2 over East Asia using ground-based and geostationary satellite observations, presented by Laura Yang at the 14th GEMS workshop, Jeju, South Korea, September 7, 2023.
• New satellite applications to air quality, presented by Daniel Jacob at the 14th GEMS workshop, Jeju, South Korea, September 6, 2023.
• High spatiotemporal resolution trends of fine particulate matter (PM2.5) in East Asia inferred from the GOCI geostationary instrument, 2011-2020, presented by Drew Pendergrass at the 14th GEMS workshop, Jeju, South Korea, September 8, 2023.
• Towards low-latency monitoring of regional methane emissions with TROPOMI satellite observations, presented by Daniel Varon at the 19th International Workshop on Greenhouse Gas Measurements from Space (IWGGMS), Paris, France, July 6, 2023.
• Methane emission estimates from satellites and their uncertainties, presented by Daniel Jacob at the International Coordination Workshop on Detection of Anthropogenic Methane Emissions from High-Resolution Satellites, Harvard University, June 7, 2023.

• Improving chemical mechanisms for regional/global models in support of US air quality management: application to the GEOS-Chem model, presented by Daniel Jacob at the EPA chemical mechanisms grantee meeting, Research Triangle Park, North Carolina, May 31, 2023.

• Methane in the climate system: using satellites to locate emissions and enable action, seminar by Daniel Jacob as part of the Climate Change Speaker Series, Washington University, May 8, 2023.

• Tasks for TEMPO and beyond, presented by Daniel Jacob at the TEMPO Science Team meeting, Huntsville, Alabama, May 2-3, 2023. 

• Improved understanding of PM2.5 in Korea and China through integrated modeling and analysis of satellite, aircraft, and surface observations, presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review (remote), April 26, 2023.

• Methane in the climate system: mapping emissions from satellites, seminar by Daniel Jacob as part of the David Bradford seminar series , Princeton, 24 April, 2023.

• Integrated Methane Inversion (IMI) on the AWS cloud: a tool to infer greenhouse gas fluxes from satellite observations, presentation by Daniel Jacob, Daniel Varon, and Lucas Estrada to ExxonMobil staff (virtual), April 10, 2023.

• Introduction to the use of geostationary satellites to improve air quality characterization and forecasts, presented by Daniel Jacob at the International Space Science Institute, Bern, March 20, 2023.

• The science of climate change, presented by Daniel Jacob to the Executive Education Program: “Climate Change and Energy: Policy Making for the Long Term”, Harvard Kennedy School, March 6, 2023.

• Detecting methane emissions from satellites, presented by Daniel Jacob at the Environmental Defense Fund Science Day (virtual), February 14, 2023.

• Using satellites to assist countries in monitoring their methane emissions, presented by Daniel Jacob at the WMO International Greenhouse Monitoring Symposium, Geneva, February 1, 2023.

• Groundbreaking new science to help cut methane emissions, podcast by Daniel Jacob and Rob Stavins, Harvard Kennedy School PolicyCast series, January 26, 2023.

• Space-based NH3/NO2 ratio as a diagnostic of sensitivity of particulate nitrate formation to emissions, presented by Ruijun Dang at the 2023 AMS Annual Meeting, Denver, January 12, 2023.
• Tropospheric ozone data assimilation in the NASA GEOS Composition Forecast Modeling System GEOS-CF v2.0 including direct assimilation of thermal infra-red radiances, presented by Makoto Kelp at the 2023 AMS Annual Meeting, Denver, January 12, 2023.

2022

• Investigation of smoke exposure during the fire seasons in Australia: Importance of quantifying plume injection heights, presented by Xu Feng at the AGU Fall Meeting, Chicago, Ill., December 12, 2022.

• Methane emissions from China: a high-resolution inversion of TROPOMI satellite observations, presented by Zichong Chen at the AGU Fall Meeting, Chicago, Ill., December 15, 2022.

• Satellite quantification of methane emissions and oil/gas methane intensities from individual countries in the Middle East and North Africa: implications for climate action, presented by Zichong Chen at the AGU Fall Meeting, Chicago, Ill., December 15, 2022.

• Quantifying methane emissions from the global scale down to point sources using satellite observations of atmospheric methane, presented by Daniel Jacob at the AGU Fall Meeting, Chicago, Ill., December 14, 2022.

• Continuous weekly monitoring of methane emissions from the Permian Basin by inversion of TROPOMI satellite observations, presented by Daniel Varon at the AGU Fall Meeting, Chicago, Ill., December 12, 2022.

• CHEEREIO: a generalized, open-source, ensemble-based chemical data assimilation and emissions inversion platform for the GEOS-Chem chemical transport model, presented by Drew Pendergrass at the AGU Fall Meeting, Chicago, Ill., December 16, 2022.

• An adaptive auto-reduction solver for speeding up integration of chemical kinetics: Implementation in the Kinetic Pre-Processor (KPP) 3.0.0, presented by Haipeng Lin at the Atmospheric Chemical Mechanisms conference, Davis, CA, December 8, 2022.

• Recent advances in satellite detection of methane and advanced statistical methods for attribution of emissions, presented by Daniel Jacob at COP27, Sharm-El-Sheikh, November 17, 2022.

• New perspectives on air quality in East Asia: what we can learn from GEMS, presented by Daniel Jacob at the GEMS Science Team meeting, Seoul, November 11, 2022.
• NO2 vertical profiles over South Korea and their relation to oxidant chemistry: Implications for Geostationary Satellite Retrievals, presented by Laura Yang at the GEMS Science Team meeting, Seoul, November 10, 2022.
• CHEEREIO: a generalized, open-source, ensemble-based chemical data assimilation and emissions inversion platform for the GEOS-Chem chemical transport model, presented by Drew Pendergrass at the GEMS Science Team meeting, Seoul, November 10, 2022.
• Why is ozone so high (and increasing) over Korea and China?, seminar by Daniel Jacob at Seoul National University, November 8, 2022.
• Methane in the climate system: mapping methane emissions from satellites, seminar by Daniel Jacob at the University of Leuven, October 19, 2022.
• Using satellites to quantify methane emissions and trends from the global scale down to point sources, seminar by Daniel Jacob at LATMOS, Paris, October 12, 2022.
• The obsessive problem of ozone air pollution, 4th Solvay Lecture by Daniel Jacob at the Universite Libre de Bruxelles, October 7, 2022.
• Continued development and application of a prototype system for exploiting satellite data to improve knowledge of methane emission fluxes with focus on North America, presented by Daniel Jacob at the NASA Carbon Monitoring System Science Team meeting, Washington, DC, September 28, 2022.

• Improved understanding of PM2.5 in Korea and China through integrated modeling and analysis of satellite, aircraft, and surface observations, presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review (remote), December 9, 2021.

• Top-down/inversion methodologies to constrain methane emissions, presented by Daniel Jacob to the National Academy of Sciences Board on Atmospheric Sciences and Climate (BASC), Washington DC, June 2, 2022.

• Exploiting TEMPO NO2 observations to better understand background NOx and NOx emissions over North America, presented by Daniel Jacob at the TEMPO Science Team meeting (remote), June 1, 2022.

• Using satellites to quantify methane emissions and trends from the global scale down to point sources, seminar by Daniel Jacob at the Laboratoire de Sciences due Climat et de l'Environnement (LSCE), Saclay, France, May 19, 2022.

• New opportunities in methane remote sensing for wetlands, presented by Daniel Jacob to the iLEAPS - NASA CMS remote sensing of wetland methane workshop (remote), May 17, 2022.

• Evolving understanding of particulate matter (PM) air pollution: lessons from East Asia, 3rd Solvay Lecture by Daniel Jacob at the Universite Libre de Bruxelles, May 17, 2022.

• The saga of tropospheric ozone, 2nd Solvay Lecture by Daniel Jacob at the Universite Libre de Bruxelles, May 13, 2022.

•  Methane in the climate system: mapping emissions from satellites, Inaugural Solvay Lecture by Daniel Jacob at the Universite Libre de Bruxelles, May 10, 2022.

• GEOS-Chem on the Amazon Web Services (AWS) cloud, presented by Daniel Jacob to the USGCRP's Interagency Group on Integrative Modeling (IGIM), May 4, 2022.

• The science of climate change, presented by Daniel Jacob to the Executive Education Program on Climate and Energy, Harvard Kennedy School, March 14, 2022.

• Using satellites to quantify methane emissions and trends on national scales, presented by Daniel Jacob at the JPL Carbon Club seminar series, February 24, 2022.

• Factors Controlling Peroxyacetyl Nitrate (PAN) in Polluted and Remote Atmospheres: Insights from the KORUS-AQ and ATom Campaigns, presented by Shixian Zhai at the American Meteorological Society (AMS) 102nd Annual Meeting, January 27, 2022.

• An online-learned neural network chemical solver for stable and long-term global simulations of atmospheric chemistry in S2S applications, presented by Makoto Kelp at the American Meteorological Society (AMS) 102nd Annual Meeting, January 26, 2022.

• Continuous weekly monitoring of methane emissions from the Permian Basin by inversion of TROPOMI satellite observations, presented by Daniel Varon at the American Meteorological Society (AMS) 102nd Annual Meeting, January 24, 2022.

2021

• Attribution of the surge of global methane in 2020 using inverse analysis of GOSAT observations, presented by Zhen Qu at the 2021 American Geophysical Union fall meeting, New Orleans, December 17, 2021.

• Improved Mechanistic Model of the Atmospheric Redox Chemistry of Mercury, presented by Viral Shah at the 2021 American Geophysical Union fall meeting, New Orleans, December 16, 2021.

• Tropospheric oxidants and the role of halogen chemistry, presented by Daniel Jacob at the 2021 American Geophysical Union fall meeting, New Orleans, December 17, 2021.

• Continuous mapping of fine particulate matter (PM2.5) air quality in East Asia at daily 6x6 km2 resolution by application of a random forest algorithm to 2011-2019 GOCI geostationary satellite data, presented by Drew Pendergrass at the 2021 American Geophysical Union fall meeting, December 13, 2021. [Video]

• Improved understanding of PM2.5 in Korea and China through integrated modeling and analysis of satellite, aircraft, and surface observations, presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review (remote), December 9, 2021.

• Mapping, understanding, and reducing PM2.5 pollution in South Korea, presented by Daniel Jacob at the International Symposium on the Accumulation and Reduction of Particulate Matter, Seoul, Korea (remote), December 8, 2021.

• GEOS-Chem: building of a grass-roots community atmospheric chemistry model, seminar by Daniel Jacob at the Texas A&M Department of Atmospheric Sciences, December 8, 2021. (no movies)

• Processes controlling PM2.5 air quality in China and Korea, distinguished lecture by Daniel Jacob to the Texas A&M Department of Atmospheric Sciences, December 8, 2021.

• Satellite measurements of atmospheric methane: application to tropical wetlands, presented by Daniel Jacob at the BP/BSR Workshop on Improving our Understanding of Methane Emissions from Tropical Wetlands (remote), June 16, 2021. [PDF]

• Improved understanding of PM2.5 in Korea and China, presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review (remote), May 25, 2021. [PDF]

• Sources and seasonality of aerosols over North China and South Korea , presented by Shixian Zhai at the 101st American Meteorological Society meeting (remote), January 14, 2021. [PDF]

• A recursive neural network chemical solver for fast long-term global simulations of atmospheric composition , presented by Makoto Kelp at the 101st American Meteorological Society meeting (remote), January 13, 2021. [PDF]

• Vertical distribution and sources of NO₂ in the free troposphere: Implications for interpretation of OMI and TROPOMI NO₂ data , presented by Viral Shah at the 101st American Meteorological Society meeting (remote), January 11, 2021. [PDF]

2020

• Controlling particulate nitrate pollution in China , presented by Shixian Zhai at the AGU Fall Meeting (remote), December 15, 2020. [PDF]

• Global Modeling of Cloudwater Acidity, Rainwater Acidity, and Acid Inputs to Ecosystems , presented by Viral Shah at the AGU Fall Meeting (remote), December 9, 2020. [Online poster]

• Improving chemical mechanisms for regional/global models in support of US air quality management: application to the GEOS-Chem model , presented by Daniel Jacob at the Kick-off Meeting for the EPA STAR Chemical Mechanisms for Air Quality Modeling Program (remote), December 16, 2020. [PPT]

• GEOS-Chem as a community model for air quality on urban to global scales in the satellite era , presented by Daniel Jacob at the Atmospheric Chemical Mechanisms (ACM) Conference (remote), November 17, 2020. [PPT]

• Human-driven temporal shifts in fire activity: southwest Russia and north Australia as case study regions, presented by Tina Liu at the American Geophysical Union Fall Meeting (remote, pre-recorded), December 8, 2020. [PPT (with audio narration)]

• Improved understanding of PM2.5 in Korea and China , presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review (remote), November 11, 2020. [PPT]

• Air quality trends in China: a chemical perspective , seminar by Daniel Jacob at U. Montana, November 2, 2020. [PPT]

• Identifying methane point sources in high-resolution satellite imagery using neural networks , presented by Jack Bruno at the EPS G1 Symposium, September 4, 2020. [PPT]

• Towards an improved understanding of factors affecting ozone pollution in East Asia , presented by Nadia Colombi at the EPS G1 Symposium, September 4, 2020. [PPT]

• Unifying atmospheric chemistry modeling using data: Development of the Harmonized Emissions Component 3.0 , presented by Haipeng Lin at the EPS G1 Symposium, September 4, 2020. [PDF]

• Aerosol-radiation interactions in China in winter using a coupled chemistry-climate model , presented by Jonathan Moch at the 1st GEOS-Chem Europe meeting (GCE1) (remote), September 2, 2020. [PDF]

• Global distribution of methane emissions: an inverse analysis of 2019 observations from TROPOMI , presented by Zhen Qu at the 1st GEOS-Chem Europe meeting (GCE1) (remote), September 1, 2020. [PDF]

• Global methane budget and trends in 2010-2017: complementarity of inverse analyses using in situ and satellite observations, presented by Xiao Lu at the 1st GEOS-Chem Europe meeting (GCE1) (remote), September 1, 2020. [PDF]

• GEOS-Chem model overview, presented by Daniel Jacob and Randall Martin at the 1st GEOS-Chem Europe meeting (GCE1) (remote), September 1, 2020. [PPT (300 MB)]

• Airborne platforms as part of the Earth observing system for air quality and atmospheric chemistry - coupled to dynamics , presented by Daniel Jacob to the National Academy of Sciences Committee on the Future Use of NASA Airborne Platforms to Advance Earth Science Priorities (remote), July 30, 2020. [PPT]

• Using satellite observations to quantify methane emissions from the global scale down to point sources , presented by Daniel Jacob at the Exxon-Mobile Methane Research External Speaker Series(remote), July 8, 2020. [PPT]

• Improved understanding of PM2.5 in Korea and China , presented by Daniel Jacob at the Samsung PM2.5 Strategic Research Program review (remote), June 16, 2020. [PPT]

• Global methane budget and trend in 2010-2017: comparative and joint inversions of suborbital (ObsPack) and satellite (GOSAT) observations , presented by Xiao Lu at the NOAA Global Monitoring Laboratory Virtual Global Monitoring Annual Conference (eGMAC), June 16, 2020. [PDF]

• Redefining "odd oxygen": a new budget diagnostic for tropospheric ozone , presented by Kelvin Bates at the 2020 AMS meeting, Boston, January 17, 2020. [PPT]

• Reduced-Cost Construction of Jacobian Matrices for High-Resolution Inverse Modeling , presented by Hannah Nesser at the 2020 AMS meeting, Boston, January 17, 2020. [PDF]

• Trends of boundary layer ozone pollution and VOC emissions in China as observed by OMI , presented by Lu Shen at the 2020 AMS meeting, Boston, January 17, 2020. [PDF]

• Ozone suppression in China under high PM2.5 conditions: a two-pollutant control strategy , presented by Ke Li at the 2020 AMS meeting, Boston, January 17, 2020. [PPT]

• Global tropospheric halogen chemistry and its impacts on ozone, OH, and aerosol concentrations , presented by Daniel Jacob at the 2020 AMS meeting, Boston, January 17, 2020. [PDF]

• GEOS-Chem Town Hall , presented by Daniel Jacob at the 2020 AMS meeting, Boston, January 17, 2020. [PPT (500 MB)]

• Using satellite observations to quantify methane sources and trends from the global scale down to point sources , presented by Daniel Jacob at the 2020 AMS meeting, Boston, January 13, 2020. [PDF]

• Integrating GEOS-Chem into CESM 2020, January 8-9 Project Meeting at NCAR/ACOM in Boulder. [Link to presentations]

2019

• Quantifying methane emissions from individual point sources with the GHGSat-D satellite instrument , presented by Daniel Varon at the Fall 2019 AGU meeting, San Francisco, December 13, 2019. [PDF]

• Effect of changing NOx lifetime on the seasonality and trends of NO2 columns over China , presented by Viral Shah at the Fall 2019 AGU meeting, San Francisco, December 12, 2019. [PDF]

• Attribution of the 2010-2016 trend in atmospheric methane by improved inverse analysis of GOSAT satellite observations , presented by Yuzhong Zhang at the Fall 2019 AGU meeting, San Francisco, December 11, 2019. [PDF]

• Potential of next-generation imaging spectrometers to detect and quantify methane point sources from space , presented by Daniel Jacob at the Fall 2019 AGU meeting, San Francisco, December 12, 2019. [PDF]

• Chemical drivers of recent trends in PM2.5 and ozone pollution in China , presented by Daniel Jacob at the Fall 2019 AGU meeting, San Francisco, December 10, 2019. [PDF]

• CMS Methane Working Group , presented by Daniel Jacob at the NASA Carbon Monitoring System (CMS) Science Team Meeting, La Jolla, November 14, 2019. [PPT]

• CMS Phase 2 Synthesis Report: Methane , presented by Daniel Jacob at the NASA Carbon Monitoring System (CMS) Science Team Meeting, La Jolla, November 13, 2019. [PDF]

• SAIT PM Strategic Research Program , presented by Daniel Jacob at the kick-off meeting of the Samsung SAIT PM Strategic Research Program, Suwon, Korea, October 31, 2019. [PPT]

• GEOS-Chem atmospheric chemistry model: current capabilities, future developments, and partnership with GMAO , Seminar by Daniel Jacob at the NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, September 17, 2019. [PPT (no movies)]

• Methane in the climate system: monitoring emissions from space , Seminar by Daniel Jacob at Lamont-Doherty Earth Observatory, Palisades, New York, September 13, 2019. [PPT (no movies)]

• Fine particulate matter and ozone pollution in China: recent trends, future controls, and impact of climate change , seminar by Daniel Jacob at Columbia University, New York, September 12, 2019. [PPT]

• Interpreting satellite NO2 observations over the US: the importance of accounting for the free tropospheric background , presentation by Daniel Jacob at the Aura Science Team meeting, Pasadena, California, August 27, 2019. [PPT]

• How Aura transformed air quality research with a look forward to TROPOMI and geostationary satellites , presentation by Daniel Jacob at the Aura Science Team meeting, Pasadena, California, August 27, 2019. [PPT]

• Satellites for environmental monitoring , presentation by Daniel Jacob at the Satellite and Climate Convening, Bloomberg Philanthropies, New York, August 24, 2019. [PPT]

• Understanding the atmospheric methane budget and trends using satellite observations in combination with new emission inventories and biogeochemical models: A NASA IDS investigation , presentation by Daniel Jacob at NASA Headquarters, Washington, DC, July 24, 2019. [PPT (no movie)]

• Using satellite observations of atmospheric methane to quantify the methane budget and trends from the global scale down to point sources , seminar by Daniel Jacob at the University of Leicester, June 21, 2019. [PPT (no movies)]

• Interpreting satellite NO2 observations over the US: the importance of accounting for the free tropospheric background , presented by Daniel Jacob at the TEMPO Science Team meeting, Madison, June 6, 2019. [PPT]

• Methane in the climate system: monitoring emissions from space , presented by Daniel Jacob at the 90th Anniversary Symposium of PKU Atmospheric Sciences, Beijing, May 26, 2019. [PDF]

• GEOS-Chem and MUSICA , presented by Daniel Jacob at the NCAR MUSICA Workshop, Boulder, May 21, 2019. [PDF]

• Satellite observations for air quality , presented by Daniel Jacob at the NYSERDA Energy-Related Air Quality and Health Effects Research Workshop, Albany, April 10, 2019. [PDF]

• Working to understand and solve China’s air pollution problems , presented by Daniel Jacob to Sichuan University faculty under sponsorship of Boston International Media Consulting, Inc., Harvard, February 20, 2019. [PPT]

• Using satellite observations of tropospheric NO2 columns to infer trends in US NOx emissions: the importance of accounting for the NO2 background , presented by Daniel Jacob at the AMS 2019 Fall Meeting, Phoenix, January 10, 2019. [PPT]

2018

• A global, gridded inventory of methane emissions from fuel exploitation based on national reports to the UNFCCC , presented by Tia Scarpelli at the AGU 2018 Fall Meeting, Washington DC, December 2018. [PDF]

• Detecting high-emitting methane sources in oil/gas fields from current and future satellites (TROPOMI, GeoCARB, next-generation geostationary) including future hyperspectral imagers (EnMAP, PRISMA) , presented by Daniel Cusworth at the AGU 2018 Fall Meeting, Washington DC, December 2018. [PDF]

• Satellite and surface observations confirm steay decline in US NO_x emissions over the 2005-2017 period, presented by Rachel Silvern at the AGU 2018 Fall Meeting, Washington DC, December 12, 2018. [PDF]

• Monitoring global tropospheric OH concentrations using satellite observations of atmospheric methane , presented by Yuzhong Zhang at the Fall 2018 AGU, Washington DC, December 2018. [PDF]

• Predicting the impact of climate change on severe wintertime particulate pollution events in Beijing using extreme value theory , presented by Drew Pendergrass at the Fall 2018 AGU, Washington DC, December 2018. [PDF]

• Uncertainties in aerosol chemistry and links to the gas phase , keynote presentation by Daniel Jacob at the AGU JING meeting, Xi'an, October 19, 2018. [PPT]

• Effect of climate change on winter haze pollution in Beijing: relative humidity as a critical variable , presented by Daniel Jacob at the AGU JING meeting, Xi'an, October 17, 2018. [PPT]

• Satellite observations of atmospheric methane: constraining emissions and OH concentrations , invited talk by Daniel Jacob at the 40th Anniversary of the ALE/GAGE/AGAGE Network, Boston/Dedham, October 11, 2018. [PPT]

• Methane in the climate system: monitoring emissions from space , VIP talk by Daniel Jacob as part of the JPL Distinguished Climate Lecture Series, JPL, Pasadena, September 4, 2018. [PPT]

• Definition, objectives, and types of models, presented by Daniel Jacob at the NCAR ACOM workshop on fundamentals of atmospheric chemistry and aerosol modeling, Boulder, August 13, 2018. [PDF] [Workshop website]

• Fundamentals of air pollution and climate change, presented by Daniel Jacob to Trademark Tours, Harvard, August 1-6, 2018. [PDF (50 MB)]

• Presentations from the Workshop on Integrating GEOS-Chem into NCAR models, Boulder, Colorado, July 30-31, 2018. [Link to website]

• Current research activities at Harvard, presented by Daniel Jacob at ECMWF, Reading, UK, June 25, 2018. [PDF]

• Decadal trends in US OMI NO₂ observations and the role of the upper troposphere, presented by Rachel Silvern at the 6th TEMPO Science Team Meeting, Boulder, CO, June 7, 2018. [PDF]

• Modeling decadal trends in continental US air pollution, with a focus on NO_x , presented by Rachel Silvern at the Harvard/MIT ACE Center Science Advisory Committee Meeting, Boston, May 30, 2018. [PDF]

• GEOS-Chem model overview and future directions , presented by Daniel Jacob at the First GEOS-Chem Asia meeting (GCA1), May 21-23, 2018. [PPT]

• Identifying leaky wells in oil/gas fields by satellite observation of atmospheric methane, presented by Dan Cusworth at the 14th International Workshop on Greenhouse Gas Measurements from Space, University of Toronto, May 10, 2018. [PDF]

• Observing methane from space with the next generation of satellite instruments: from global OH monitoring down to individual point sources, presentted by Daniel Jacob at the Atmospheric Composition Committee on Earth Observation Satellites, College Park, Maryland, May 2, 2018. [PPT]

• Value of geostationary observations in a data assimilation system for ozone air quality in the US, presented by Daniel Jacob at the NASA GEO-CAPE workshop, College Park, Maryland, May , 2018. [PPT]

• Capabilities of different satellite observing systems or mapping methane emissions on regional to km scales, presented by Daniel Jacob at the NASA GEO-CAPE workshop, College Park, Maryland, May , 2018. [PPT]

• Antarctica and climate change, lecture by Daniel Jacob for the Harvard Alumni Association Expedition to Antarctica, January 21, 2018. [PPT (9 MB)]

• The Antarctic ozone hole, lecture by Daniel Jacob for the Harvard Alumni Association Expedition to Antarctica, January 15, 2018. [PPT (50 MB)]