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This a comprehensive review of the AR6 for my students at the University of Florida. It may be viewed but not downloaded or copied. One error in the narrative is the statement that hurricanes are becoming more frequent. The overall global frequency of cyclones has decreased since the 1800s. Atlantic hurricanes has decreased in the first half of the 20th century but since about 1960 … Continue reading Review of IPCC AR6
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Updates from the climate change literature December 2022. Continue reading Climate Change Updates December 2022
This is has been a terrific semester that has included some of the best students of my career. This is my year-end review of the lessons on climate change that have been presented in the three courses that I teach. I hope you find this useful. A correction: the CO2 concentration from NOAA just before the volcano shut down the Keeling laboratory at Mona Loa was … Continue reading Climate change year-end review 2022
Some have objected to my concerns about the new fossil-gas power plant at UF because they feel the administration’s options are financially limited due to the extreme expense of retrofitting the campus to remove dependence on methane to produce steam and chilled water. The new plant is budgeted at $200 million. Secondly, they point out the the new plant could easily be converted to hydrogen, … Continue reading No slack for UF and the methane power plant
A version published in the Gainesville Sun 3 September 2021 The mission of higher education is the maintenance and renewal of civilization. This statement comes as an epiphany to many who hear it for the first time. Public higher education in the US has been diminished at the hands of legislatures and business interests who believe that higher education exists solely to serve the economy. … Continue reading Mission failure at the University of Florida
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Our understanding of climate change and the polar vortex must be refined, but the relationships are clear. Continue reading Climate change messes with Texas
There are several reasons why the changes underway represent a false summit leaving an extremely steep climate landscape yet to be scaled. It is important to realize that most of these changes are promises, rather than anything close to becoming reality. In the US, we can count on GOP elected officials at the state and federal level to oppose most of the proposed changes to energy policy and climate change mitigation. The GOP will protect the fossil fuel industry in myriad ways that will leave the average voter at a loss to say exactly what is happening.
Continue reading The false summit of climate change progress
This is the final lecture of fall semester 2021 at the University of Florida in my courses on climate change and global change ecology Continue reading Rules of engagement for the era of planetary transformation
Published on Medium “Geo-engineering holds forth the promise of addressing global warming concerns for just a few billion dollars a year,” Newt Gingrich 2008 “Solar geoengineering solves everything! It’s great! We don’t need to bother to cut emissions.” President Trump 2017 “The main findings are that any implementation of stratospheric geoengineering could end catastrophically for many species. Although if geoengineering were ever done, it would … Continue reading Hacking the planet so a few rich people can get richer
The Environmental Century 
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