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Two Gentlemen

by |November 28th, 2018

Two Gentlemen 28 November 2018 James Hansen It was about two decades ago, I think, when Jeff Sachs introduced me to Gerry Lenfest.  It was at one of Jeff’s big shindigs where he brings in scores of important people from around the world to address big problems, matters that Jeff can somehow speak to eloquently… read more

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October 2018 Global Temperature Update

by |November 15th, 2018

October 2018 was the second warmest October since 1880.  At +0.99°C (relative to 1951-1980) it trailed only October 2015 (+1.08°C). Extreme regional temperature anomalies in the Northern Hemisphere (see map), as much as +6-8°C in Siberia and minus 2-3°C in North America were evidently related to a wind anomaly carrying warm air in a northeasterly… read more

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American Geophysical Union + Chinese Academy of Sciences

by |October 25th, 2018

American Geophysical Union + Chinese Academy of Sciences 24 October 2018 James Hansen I was privileged to give one of the keynote talks at the first joint meeting of the American Geophysical Union (AGU) and the Chinese Academy of Sciences (CAS).  The meeting was timely and propitious.  Both of these nations and the world as… read more

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From Xi’an with Love

by |October 18th, 2018

From Xi’an with Love 19 October 2018 James Hansen Stop!  No need to read this discussion of global warming acceleration, if you read my 15 October Communication of that title.  I edited that Communication for clarity on a flight to China, but thanks in part to a skirmish between Google and China I was unable… read more

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Global Warming Acceleration Plus Miscellaneous

by |October 15th, 2018

Global warming acceleration becomes evident by connecting global temperatures at successive La Nina minima.   Global Warming Acceleration Plus Miscellaneous 15 October 2018 James Hansen Climate models indicate that at least a weak El Nino will begin this (Northern Hemisphere) winter; observations show that warming in the tropical Pacific has begun.  This implies that the… read more

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September 2018 Global Temperature Update

by |October 15th, 2018

 September 2018 Global Temperature Update September 2018 global temperature, at 0.75°C relative to the 1951-1980 base period, was the sixth warmest September (tied with 2005) since reliable measurements began in 1880, with some very warm and very cold areas in the northern high latitudes (left side of the figure on the top).  Most of Europe and… read more

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Taiwan Charts: CO2 Control Knob

by |October 3rd, 2018

Dr. Hansen’s new Communication “Taiwan Charts: CO2 Control Knob” is available in PDF.

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Global Warming and East Coast Hurricanes

by |September 18th, 2018

Dr. Hansen’s discusses hurricanes in the East Coast of the US including Hurricane Florence in his new communication “Global Warming and East Coast Hurricanes” is available in PDF.    

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A Monarch Resurgence??

by |September 6th, 2018

A Monarch Resurgence?? available in PDF 04 September 2018 James Hansen

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Cost of Carbon Capture: Can Young People Bear the Burden?

by |August 17th, 2018

Cost of Carbon Capture: Can Young People Bear the Burden? available in PDF 17 August 2018 James Hansen

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