PNNL

• Doctor of Philosophy, Policy Studies, University of Maryland College Park
• Master of Public Policy, Energy Policy & Climate, University of Maryland College Park

2025

Fritzeen, Wade E., J.P. Ferreira, W.M. Shobe, P. O’Rourke, J. Fuhrman, S.C. Doney, A.F. Clarens. 2025. “How demand for and trade of construction materials affects greenhouse gas emissions.” Resources, Conservation and Recycling. https://doi.org/10.1016/j.resconrec.2025.108513.

Pedersen, J. T. S., C. Gomes, P. O’Rourke, D. van Vuuren, J. Gupta, F. Duarte Santos, and R. Swart. 2025. “Science-Policy: UNFCCC Policymakers’ Perspective of Scientific Scenarios and Their Policy Relevance.” Npj Climate Action 4 (1): 52. https://doi.org/10.1038/s44168-025-00250-5.

2024

Binsted, M., E. Lochner, J. Edmonds, J. Benitez, J. Bistline, M. Browning, F. De La Chesnaye, J. Fuhrman, L.Göke, G. Iyer, K. Kennedy, P. Kyle, C. Lenox, H. McJeon, K. O’Keefe, P. O’Rourke, A. Prabhu, R. Sands, L. Sarmiento, S. Showalter, N. Victor, F. Wood, S. Yu, and M. Yuan. 2024. “Carbon Management Technology Pathways for Reaching a U.S. Economy-Wide Net-Zero Emissions Goal.” Energy and Climate Change 5: 100154. https://doi.org/10.1016/j.egycc.2024.100154.

Kennedy, K. M., M. A. Borrero, M. R. Edwards, P. O’Rourke, N. E. Hultman, and K. Surana. 2024. “Advancing Equitable Value Chains for the Global Hydrogen Economy.” Energy and Climate Change 5: 100166. https://doi.org/10.1016/j.egycc.2024.100166.

Wolfram, P., P. Kyle, J. Fuhrman, P. O’Rourke, and H. McJeon. 2024. “The Hydrogen Economy Can Reduce Costs of Climate Change Mitigation by up to 22%.” One Earth 7 (5): P885–895. https://doi.org/10.1016/j.oneear.2024.04.012.

Wolfram, P., P. O’Rourke, H. McJeon, and P. Kyle. 2024. “Helping the Climate by Replacing Liquefied Natural Gas with Liquefied Hydrogen or Ammonia?” Environmental Research Letters 19: 054005. https://doi.org/10.1088/1748-9326/ad376f.

Mignone, B. K., L. Clarke, J. A. Edmonds, A. Gurgel, H. J. Herzog, J. X. Johnson, D. S. Mallapragada, H. McJeon, J. Morris, P. R. O’Rourke, S. Paltsev, S. K. Rose, D. C. Steinberg, and A. Venkatesh. 2024. “Drivers and Implications of Alternative Routes to Fuels Decarbonization in Net-Zero Energy Systems.” Nature Communications 15 (1): 3938. https://doi.org/10.1038/s41467-024-47059-0.

Edmonds, J., S. Fujimori, G. Iyer, H. McJeon, P. O’Rourke, J. Tristan, D. van Vuuren, and S. Yu. 2024. “Global Energy System Transitions.” Review of Environmental Economics and Policy 18 (1): 2–25. https://doi.org/10.1086/728206.

2023

O’Rourke, P., B. K. Mignone, P. Kyle, B. R. Chapman, J. Fuhrman, P. Wolfram, and H. McJeon. 2023. “Supply and Demand Drivers of Global Hydrogen Deployment in the Transition toward a Decarbonized Energy System.” Environmental Science & Technology 57 (48): 19508–19518. https://doi.org/10.1021/acs.est.3c03751.

Fritzeen, W. E., P. O’Rourke, J. G. Fuhrman, L. M. Colosi, S. Yu, W. M. Shobe, S. C. Doney, H. C. McJeon, and A. F. Clarens. 2023. “Integrated Assessment of the Leading Paths to Mitigate CO2 Emissions from the Organic Chemical and Plastics Industry.” Environmental Science & Technology 57 (49): 20571–20582. https://doi.org/10.1021/acs.est.3c05202. 

2022 

Mignone, B. K., J. E. Huster, S. Torkamani, P. O’rourke, and M. Wise. 2022. “Changes in Global Land Use and CO2 Emissions from Us Bioethanol Production: What Drives Differences in Estimates between Corn and Cellulosic Ethanol?” Climate Change Economics 13 (04): 2250008. https://doi.org/10.1142/S2010007822500087.

2021

McJeon, H., B. K. Mignone, P. O'Rourke, R. Horowitz, H. S.Kheshgi, L. Clarke, P. Kyle, P. Patel, J. Edmonds. 2021. “Fossil Energy Deployment through Midcentury Consistent with 2°C Climate Stabilization.” Energy and Climate Change 2: 100034. https://doi.org/10.1016/j.egycc.2021.100034.

Fuhrman, J., A. Clarens, K. Calvin, S. C. Doney, J. A. Edmonds, P. O'Rourke, P. Patel, S. Pradhan, W. Shobe, and H. McJeon. 2021. “The Role of Direct Air Capture and Negative Emissions Technologies in the Shared Socioeconomic Pathways towards +1.5 °C and +2 °C Futures.” Environmental Research Letters 16 (11): 114012. https://doi.org/10.1088/1748-9326/ac2db0.

McDuffie, E. E., R. V. Martin, J. V. Spadaro, R. Burnett, S. J. Smith, P. O’Rourke, M. S. Hammer, A. van Donkelaar, L. Bindle, V. Shah, L. Jaeglé, G. Luo, F. Yu, J. A. Adeniran, J. Lin, and M. Brauer. 2021. “Source Sector and Fuel Contributions to Ambient PM2.5 and Attributable Mortality across Multiple Spatial Scales.” Nature Communications 12: 3594. https://doi.org/10.1038/s41467-021-23853-y.

Ou, Y., C. Roney, J. Alsalam, K. Calvin, J. Creason, J. Edmonds, A. A. Fawcett, P. Kyle, K. Narayan, P. O’Rourke, P. Patel, S. Ragnauth, S. J. Smith, and H. McJeon. 2021. “Deep Mitigation of CO2 and Non-CO2 Greenhouse Gases toward 1.5 °C and 2°C Futures.” Nature Communications 12: 6245. https://doi.org/10.1038/s41467-021-26509-z. 

2020

McDuffie, E. E., S. J. Smith, P. O'Rourke, K. Tibrewal, C. Venkataraman, E. A. Marais, B. Zheng, M. Crippa, M. Brauer, and R. V. Martin. 2020. “A Global Anthropogenic Emission Inventory of Atmospheric Pollutants from Sector- and Fuel-Specific Sources (1970–2017): An Application of the Community Emissions Data System (CEDS).” Earth System Science Data 12 (4): 3413–3442. https://doi.org/10.5194/essd-12-3413-2020.

2018

Hoesly, R. M., S. J. Smith, L. Feng, Z. Klimont, G. Janssens-Maenhout, T. Pitkanen, J. J. Seibert, L. Vu, R. J. Andres, R. M. Bolt, T. C. Bond, L. Dawidowski, N. Kholod, J. Kurokawa, M. Li, L. Liu, Z. Lu, M. C. P. Moura, P. R. O'Rourke, and Q. Zhang. 2018. “Historical (1750–2014) Anthropogenic Emissions of Reactive Gases and Aerosols from the Community Emissions Data System (CEDS).” Geoscientific Model Development 11 (1): 369–408. https://doi.org/10.5194/gmd-11-369-2018.