Dr. James E. Hansen
Featured climate data
Climate Uncensored: Data & Figures
We are beginning a revamp of the Climate Uncensored: Data & Figures pages, starting with global temperature.
This section will serve as the hub for updated climate indicators, figures, and analysis, including global temperature, El Nino, Earth’s energy imbalance, greenhouse gases, aerosols, sea level, and related climate diagnostics.
Communications
- May 22, 2026: Pomerance
- May 7, 2026: Exxon
- April 30, 2026: 2026 On Track for Warmest Year.
- April 15, 2026: Super-Duper El Nino.
- March 20, 2026: Super El Nino? Super Warming is the Main Issue.
- March 6, 2026: Sophie's Planet - Chapter 10: "Runaway Climate: The Point of No Return"
Scholarly Publications
- Hansen JE, Kharecha P, Sato M, et al. 2025: Global warming has accelerated: are the United Nations and the public well-informed? , Environment: Science and Policy for Sustainable Development, 67(1), 6–44, doi: 10.1080/00139157.2025.2434494
- Hansen JE, Sato M, Simons L, et al. 2023: Global warming in the pipeline, Oxford Open Climate Change, 3, Issue 1, kgad008.
- Li J, Carlson BE, Yung YL, et al. 2022: Scattering and Absorbing Aerosols in the Climate System, Nature Reviews Earth & Environment 3, 363–379.
- Hansen JE. 2021: Foreword: Uncensored science is crucial for global conservation, In DellaSala DA (ed). Conservation Science and Advocacy for a Planet in Peril. Amsterdam: Elsevier, 2021,451 pp.
- Beerling DJ, Kantzas EP, Lomas MR, et al. 2020: Potential for large-scale CO2 removal via enhanced rock weathering with croplands, Nature 583 , 242-248, doi: 10.1038/s41586-020-2448-9.
- Rye CD, Marshall J, Kelley M, et al. 2020: Antarctic Glacial Melt as a Driver of Recent Southern Ocean Climate Trends, Geophysical Research Letters 47, 11, doi: 10.1029/2019GL086892.
- Google Scholar profile (complete publication list and citation information)
Popular Publications
- April 11, 2022: Nuclear power must be part of New York's energy solution, Commentary in Albany Times Union.
- September 8, 2021: A carbon tax is key to addressing the climate crisis -- and carbon dividends could get Congress to support one, Op-ed with Jonathan Marshall in the Boston Globe.
- June 1, 2021: Biden should impose a carbon fee immediately, Op-ed with Daniel M. Galpern in the Boston Globe.
- September 9, 2020: A socially and environmentally just way to fight climate change, Op-ed with Daniel H. Miller in the Boston Globe.
- October 10, 2019: Fueling the next Rim fire, Op-ed with Chad Hanson in LA Times.
→ Go to older popular publications
Books
- Storms of My Grandchildren — James Hansen (info / purchase link)
Presentations
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October 2018:
Aerosol Effects on Climate & Human Health: Urgent Research Needs
Presentation in Xi'an, China at AGU-CAS Meeting.
+ Download PPT (20 MB)
+ Download PDF (3.3 MB) -
November 2017:
Young People's Burden: Averting Climate Disaster
Presentation in Bonn, Germany, at COP-23.
+ Download PDF (1.5 MB) - March 2017: How Can Young People Take Charge of Their Future? Video taken at Williams College, MA on March 8
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December 2015:
Climate Change and Energy: How Can Justice Be Achieved for Young People and Nature?
Presentation given in Beijing, China on Dec. 22.
+ Download PDF (5.0 MB) -
February 2014:
Symposium on a New Type of Major Power Relationship
Presentation given at Counsellors Office of the State Council, Beijing, China on Feb. 24.
+ Download PDF (4.1 MB) -
February 2012:
Why I Must Speak Out About Climate Change.
Presentation given at TED 2012 at Long Beach, California.
+ Download PDF, retouched (6 MB)
+ Download PPTX, retouched (6 MB)
+ TED video
+ YouTube video
TV and Radio Appearances
- April 7, 2017: TED Radio Hour: What Makes A Scientist Take A Stand?
- December 4, 2015: Democracy Now!: Amy Goodman interview in Paris
- July 26, 2015: CNN: CNN's Fareed Zakaria GPS
In News
- November 5, 2025: Yle (Finland) — Jenni Frilander, World-renowned climate scientist to Yle: Climate change will not stop at what is thought, but much worse is coming (article in Finnish; web browsers provide automatic translation). See video.
- February 4, 2025: The Guardian — Damian Carrington, Climate change target of 2°C is dead, says renowned climate scientist.
- February 4, 2025: Inside Climate News — Bob Berwyn, Hansen-led research documents global warming acceleration.
- November 2, 2023: The Guardian — Oliver Milman, Global heating is accelerating, warns scientist who sounded climate alarm in the 80s.
- November 2, 2023: Washington Post — Kasha Patel and Shannon Osaka, Famed climate scientist has a new, dire prediction.
- October 7, 2023: New York Times — Nadja Popovich and Adam Pearce, It's Not Your Imagination. Summers Are Getting Hotter.
- June 20, 2022: Washington Post — Eugene Robinson, To stop climate change, regulate carbon as a toxic substance.
- June 16, 2022: The Guardian — Fiona Harvey, Greenhouse gases must be legally phased out, US scientists argue.
This page last updated Wednesday, 03-DEC-2025 13:09:44 EDT