Dr. James E. Hansen

Climate Science, Awareness and Solutions Program
Earth Institute
Columbia University
475 Riverside Drive (Room 401-O)
New York, NY 10115 USA
E-mail: [email protected]

Visit our Data & Figures Page, Earth Institute and Websites or go directly to Monthly Temperature Updates.

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Recent Communications

  • July 12, 2024: Reflections on Time Scales and Butterflies
  • June 27, 2024: The World Will Cool Off - A Bit - And Other Good News!
  • May 30, 2024: Sophie's Planet and Terminations
  • May 16, 2024: Comments on Global Warming Acceleration, Sulfur Emissions, Observations
  • March 29, 2024: Global Warming Acceleration: Hope vs Hopium

    Go to older Communications


  • 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

    Google Scholar

    Recent Scholarly Publications

  • 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.
  • Hansen, J., 2021: Foreword: Uncensored science is crucial for global conservation
  • 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.
  • von Schuckmann, K., L. Cheng, M.D. Palmer, J. Hansen et al., 2020: Heat stored in the Earth system: where does the energy go?, Earth System Science Data 12, 2013-2041, doi:10.5195/essd-12-2013-2020.
  • Miller, D.H. and J.E. Hansen, 2019: Why Fee and Dividend Will Reduce Emissions Faster Than Other Carbon Pricing Policy Options, OurEnergyLibrary, Response to the Request for Information from the United States House of Representatives Select Committee on the Climate Crisis.

    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


  • 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

    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

    June 23, 2018
    New York Times: Gillis, A Prophet of Doom Was Right About the Climate

    June 20, 2018
    New Yorker: Kolbert, Listening to James Hansen on Climate Change, Thirty Years Ago and Now
    Yale Climate Connections: Sinclair, Judgment on Hansen's '88 climate testimony: 'He was right' [Video]

    June 19, 2018
    Guardian: Milman, Ex-Nasa scientist: 30 years on, world is failing 'miserably' to address climate change

    Go to older news articles

    This page last updated Wednesday, 29-Sep-2021 14:09:44 EDT

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