Blog

Visit Dr. Hansen’s Website

Young People’s Burden: Requirement of Negative CO2 Emissions

by |July 18th, 2017

Young People’s Burden: Requirement of Negative CO2 Emissions James Hansen, Makiko Sato, Pushker Kharecha, Karina von Schuckmann, David J. Beerling, Junji Cao, Shaun Marcott, Valerie Masson-Delmotte, Michael J. Prather, Eelco J. Rohling, Jeremy Shakun, Pete Smith, Andrew Lacis, Gary Russell, Reto Ruedy 18 July 2017 Above paper is published today in Earth System Dynamics.  There… read more

Categories: Blog

June Global Temperature Update

by |July 14th, 2017

June Global Temperature Update To sign up for our monthly update of global temperature (Maps and Graphs), click here. Additional figures are on our global temperature web page.   For the half year January-June, 2017 is the second warmest, about halfway between the warmest (2016) and the 3rd warmest (2015). Global temperature dropped sharply between May and… read more

Categories: Blog

Sophie’s Op-Ed

by |June 30th, 2017

Sophie’s Op-Ed James Hansen 30 June 2017 Text of Sophie’s op-ed in the Morning Call (Eastern Pennsylvania news) is below. A few pieces of good news: (1) The paper “Young People’s Burden: Requirement of Negative CO2 Emissions” has been accepted for publication in Earth System Dynamics. We are checking the page proofs now. It will… read more

Categories: Blog

May Global Temperature Update

by |June 16th, 2017

May Global Temperature Update To sign up for our monthly update of global temperature (Maps and Graphs), click here. Additional figures are on our global temperature web page. May 2017, at +0.88C relative to the 1951-1980 mean, was the second warmest Mayin the period of instrumental data, only 0.05C cooler than May 2016 record high (0.93C). ENSO (El Nino-Southern Oscillation) in the tropical Pacific are now… read more

Categories: Blog

April Global Temperature Update

by |May 15th, 2017

April Global Temperature Update To sign up for our monthly update of global temperature (Maps and Graphs), click here. Additional figures are on our global temperature web page. Almost a year after the strong 2015-2016 El Nino, global mean temperature remains well above the pre-El Nino level.  Global temperature with short-term variability removed has been rising about 0.18C… read more

Categories: Blog

March Global Temperature Update

by |April 17th, 2017

March Global Temperature Update To sign up for our monthly update of global temperature (Maps and Graphs), click here. Additional figures are on our global temperature web page. The first three months of 2017 are the 2nd warmest January-March in the instrumental record, about half way between 2016 (warmest) and 2015 (2nd warmest annual mean, 3rd warmest January-March). Note that most of the monthly records were… read more

Categories: Blog

Sophie Sez #3: “$1000 for You – A Better World for Your Children”

by |March 29th, 2017

Sophie Sez #3: “$1000 for You – A Better World for Your Children” YouTube Video: Summary.  Science, economics and common sense reveal a simple path to clean carbon-free energy and a bright future for young people.  “Carbon Fee & Dividend” is simple and honest, moves us to clean energy, benefitting the public and the planet. … read more

Categories: Blog

February 2017 Global Temperature Update

by |March 16th, 2017

  Global temperature declined during 2016, with global temperature lagging Nino3.4 temperature by a few months (Fig. 1), as usual.  However, temperature in January and February 2017 was unusually high, Jan-Feb 2017 being the second warmest Jan-Feb (after 2016). Although the tropical SST has been in ENSO (El Nino Southern Oscillation) neutral conditions for the… read more

Categories: Blog

Sophie Sez #2: “Obama Missed a Golden Opportunity – but We Can Still Win!”

by |March 2nd, 2017

Sophie Sez #2: “Obama Missed a Golden Opportunity – but We Can Still Win!” YouTube Video Link Summary. Young people, threatened with inheriting climate chaos and sea level rising out of control, filed a lawsuit against the U.S. government. The Obama Administration missed a great opportunity to settle the case in a way that could… read more

Categories: Blog

January 2017 Global Temperature Update

by |February 15th, 2017

              Global temperature declined during 2016 (Fig. 1) as the strong 2015-16 El Nino peaked in late 2015.  As usual, global temperature peaked a few months after the Nino3.4 maximum. Nino3.4 temperature is now near the boundary (-0.5C) between La Nina and Nino-neutral conditions, with most models predicting a moderate rise in tropical temperatures over the next several… read more

Categories: Blog