Dr. James E. Hansen
Climate Science, Awareness and Solutions Program
Earth Institute
Columbia University
475 Riverside Drive (Room 520-C)
New York, NY 10115 USA
E-mail:
[email protected]
Sign up for my occasional Communications here.
Recent Communications
November 21, 2025:
Warning! This “Colorful Chart” is Censored by IPCC
November 7, 2025:
A Climate Talk in Helsinki
September 16, 2025:
Nature's Corridor / Sophie's Planet, Chapter 1 (draft): Ingvert and Karen Hansen
August 27, 2025:
Sophie's Planet, Chapter 10 (draft): The Venus Syndrome & Runaway Climate
August 6, 2025:
Seeing the Forest for the Trees
{short version here)
July 17, 2025:
Sophie's Planet
Go to older Communications
Videos
February 2025: Global warming has accelerated
webinar
November 2023: Global warming in the pipeline
webinar
November 2017:
Scientific Reticence: A Threat to Humanity and Nature. Jim Hansen/Pam Pearson/Philip Duffy press conference at COP-23 in Bonn, Germany on 10 November.
November 2017:
Nuclear Power? Are Renewables Enough? Michael Shellenberger/Jim Hansen press conference at COP-23 in Bonn, Germany on 8 November.
July 2017:
Video for "Young People's Burden"
March 2017:
Sophie Sez #3: $1,000 for you - and a better world for your children.
(Transcript)
March 2017:
Sophie Sez #2: Obama Missed A Golden Opportunity - but We Can Still Win!
(Transcript)
→ Go to older video
Recent Scholarly Publications
Hansen, J.E., P. Kharecha, M. Sato, 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. https://doi.org/10.1080/00139157.2025.2434494
Hansen, J.E., M. Sato, L. Simons, L.S. Nazarenko, I. Sangha, P. Kharecha, et al. 2023: Global warming in the pipeline, Oxford Open Climate Change, 3, Issue 1, kgad008.
Li, J., B.E. Carlson, Y.L. Yung, D. Lv, J. Hansen, et al. 2022: Scattering and Absorbing Aerosols in the Climate System, Nature Reviews Earth & Environment, 3, 363–379.
Hansen, J., 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, D.J., E.P. Kantzas. M.R. Lomas, P. Wade, R.M.
Eufrasio, P. Renforth, B. Sarkar, M.G. Andrews, R.H. James, C.R. Pearce,
J.-F. Mercure, H. Pollitt, P.B. Holden, N.R. Edwards, M. Khanna, L.
Koh, S. Quegan, N.F. Pidgeon, I.A. Janssens, J. Hansen, and S.A.
Banwart, 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, C.D., J.Marshall, M. Kelley, G. Russell, L.S. Nazarenko, Y. Kostov, G.A.Schmidt, and J. Hansen,
2020: Antarctic Glacial Melt as a Driver of Recent Southern Ocean Climate Trends, Geophysical Research Letters 47, 11, doi: 10.1029/2019GL086892.
→ Go to older publications
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 flight 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
"Storms of My Grandchildren" by James Hansen
Selected Presentations
February 29, 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
Presentations
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
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)
→ Go to older presentations
TV and Radio Appearance
April 7, 2017: TED Radio Hour:
What Makes A Scientist Take A Stand?.
December 4, 2015: Amy Goodman interview in Paris
July 26, 2015: 1 p.m. CNN's Fareed Zakaria GPS
in News
November 2, 2023
Guardian: Oliver Milman, Global heating is accelerating, warns scientist who sounded clmate 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: Robinson, To stop climate change, regulate carbon as a toxic substance
June 16, 2022
The Guardian: Harvey, Greenhouse gases must be legally phased out, US scientists argue
→ Go to older news articles
This page last updated Wednesday, 29-Sep-2021 14:09:44 EDT
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