
Steven J. Davis
· Professor of Earth System Science, Senior Fellow at the Precourt Institute for Energy and Professor, by courtesy, of Energy Science and EngineeringStanford University · Environmental Science, Policy, and Management
Active 1975–2026
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About
Steven J. Davis is a Professor of Earth System Science in the Stanford Doerr School of Sustainability and a Senior Fellow at the Precourt Institute for Energy. He is a highly-cited researcher and expert in earth system science, emissions and energy scenarios, climate impacts and solutions, and corporate climate strategy. He leads the Sustainable Solutions Lab, a research group dedicated to quantifying how different human activities affect climate and air quality, and how these environmental changes impact human wellbeing and the prioritization of solutions. Davis has contributed to major international and national climate assessments, serving as a Contributing Author for two Working Group III chapters in the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), and as the Lead Author of the Mitigation chapter in the U.S. Fifth National Climate Assessment. He also serves on the Scientific Steering Committee of the Global Carbon Project and is a member of the Technical Council of the Science Based Targets Initiative. Prior to his career in science, he worked as a lawyer for venture-backed companies in Silicon Valley. He holds degrees from Stanford University, the University of Virginia School of Law, and the University of Florida, where he double-majored in Political Science and Philosophy.
Research topics
- Environmental science
- Geography
- Ecology
- Economics
- Natural resource economics
- Biology
- Business
- Meteorology
- Environmental protection
- Agroforestry
Selected publications
Global carbon emissions and decarbonization in 2024
Nature Reviews Earth & Environment · 2025-04-11 · 177 citations
reviewStrategies for climate-resilient global wind and solar power systems
Nature · 2025-06-18 · 50 citations
articleLong-range PM2.5 pollution and health impacts from the 2023 Canadian wildfires
Nature · 2025-09-10 · 47 citations
articleOpen accessSmoke from extreme wildfires in Canada adversely affected air quality in many regions in 20231,2. Here we use satellite observations, machine learning and a chemical transport model to quantify global and regional PM2.5 (particulate matter less than 2.5 μm in diameter) exposure and human health impacts related to the 2023 Canadian wildfires. We find that the fires increased annual PM2.5 exposure worldwide by 0.17 μg m–3 (95% confidence interval, 0.09–0.26 μg m–3). North America had the largest i…
Trade risks to energy security in net-zero emissions energy scenarios
Nature Climate Change · 2025-04-09 · 17 citations
articleSenior authorNature · 2025-12-17 · 11 citations
articleOpen accessHydrogen (H2) will play a part in decarbonizing the global energy system1. However, hydrogen interacts with methane, ozone, and stratospheric water vapour, leading to an indirect 100-year global warming potential of 11 ± 4 (refs. 2–5). This raises concerns about the climate consequences of increasing H2 use under future hydrogen economies3,5. A comprehensive accounting of H2 sources and sinks is essential for assessing changes and mitigating environmental risks. Here we analyse trends in global…
Recent grants
INFEWS/T1: Monitoring and managing food, energy, and water systems under stress: California
NSF · $1.9M · 2016–2022
Frequent coauthors
- 248 shared
Philippe Ciais
Laboratoire des Sciences du Climat et de l'Environnement
- 126 shared
Zhu Liu
- 119 shared
Bo Zheng
Tsinghua University
- 81 shared
Yilong Wang
Chinese Academy of Sciences
- 72 shared
Frédéric Chevallier
CEA Paris-Saclay
- 71 shared
Kebin He
Tsinghua University
- 70 shared
Chaopeng Hong
Tsinghua–Berkeley Shenzhen Institute
- 70 shared
Dabo Guan
Tsinghua University
Labs
Current researchers, postdocs, and students — and the alumni now leading their own labs and groups.
Education
- 2008
PhD, Geological and Environmental Science
Stanford University
- 2001
JD, School of Law
University of Virginia
Awards & honors
- Contributing Author of two Working Group III chapters in the…
- Serves on the Scientific Steering Committee of the Global Ca…
- Lead Author of the Mitigation chapter in the U.S. Fifth Nati…
- Member of the Technical Council of the Science Based Targets…
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