Climate Science, Awareness and Solutions Program
Earth Institute
Columbia University
475 Riverside Drive (Room 401-O)
New York, NY 10115 USA
E-mail: jeh1@columbia.edu
Visit our Data & Figures Page, Earth Institute and CSAS.org Websites or go directly to Monthly Temperature Updates.
Recent Communications
Dr. Hansen periodically posts commentary on his recent papers and
presentations and on other topics of interest to an e-mail list.
To receive announcements of new postings, please click here.
Chapters 1-9 of Sophie's Planet are being revised now. First drafts of later chapters are still available for fact checking.
January 14, 2021:
Global Temperature in 2020
January 13, 2021:
Sophie's Planet #34: Chapter 45 (Energy and World Peace)
December 30, 2020:
Sophie's Planet #33: Chapter 44 (Tell the President the Whole Truth)
December 23, 2020:
Sophie's Planet #32: Chapter 43 (Energy for the World)
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)
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.
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.
Lenssen, N.J.L., G.A. Schmidt, J.E. Hansen, M.J. Menne, A. Persin, R. Ruedy, and D. Zyss, 2019: Improvements in the GISTEMP uncertainty model, J. Geophys. Res. Atmos., 124, no. 12, 6307-6326, 10.1029/2018JD029522.
On the webpage
"Updating the Climate Science: What Path is the Real World Following?",
Drs. Makiko Sato and James Hansen update figures in the book
Storms of My Grandchildren
(see LA Times review)
and present updated graphs and discussion of key quantities that help provide understanding of
how climate change is developing and how effective or ineffective global actions are in affecting
climate forcings and future climate change. A few errata in Storms are also provided.
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
Recent 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)
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
June 18, 2018
PHYS ORG: Borenstein, James Hansen wishes he wasn't so right about global warming
April 23, 2018
Washington Post: Mooney, One of the most worrisome predictions about climate change may be coming true
July 28, 2017
New York Times: Popovich & Pearce, It's Not Your Imagination. Summers Are Getting Hotter
