An Australian energy expert/futurist makes predictions relevant to the future growth of alternative energy and the total electrification of automobiles. Professor Ray Wills is obviously a little ahead of most others who talk about these things but he explains himself quite well and it is fun to read what he has to say. One especially interesting chart shows what should happen to global CO2 emissions (from fossil fuel burning) through 2040 if all his predictions come true—not bad at all.
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–In case you missed it, here is that one special chart in isolation and enlarged:
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As a reminder, radical changes in agriculture have a role in climate action that is similar in importance to that of eliminating fossil fuels and must not be overlooked. Here is how scientists at Berkeley describe the needs, which at this time are not being met on anywhere near the required scale:
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A new study provides details about the importance of preserving the remaining remote type of undisturbed rain forests, which are the ones that still act as a carbon sink, absorbing some of our emissions. “The bad news is this situation probably will not last indefinitely…..If the tropical forest carbon sink turns off or goes into reverse, then the remaining carbon budget to limit warming to 2C under the Paris Agreement will need revision.”
https://www.carbonbrief.org/deforestation-and-drought-threaten-carbon-storage-in-borneos-rainforests
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New research raises questions about the accuracy of historical CO2 readings taken from gases preserved in ice cores that have been collected. The samples “may have been affected by bacteria that remain active in snow while it is being compressed into ice – a process that can last decades…..Respiration by bacteria may have slightly increased levels of CO2 in pockets of air trapped within polar ice caps meaning that before human activity CO2 levels may have been even lower than previously thought.” No estimate is given for the amount of difference except that it could be enough to upwardly alter our perceptions of carbon sensitivity, which makes the finding potentially important.
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A close look at what the planet was like 50 to 55 million years ago. This post is made up of several short presentations including one by James Hansen in the video at the end. There is an overall good description of the PETM that explains why today’s scientists have so much interest in unraveling the reasons for its rapid and extreme pace of change.
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All about carbon isotopes and their role in determinations of climate history. This is a good explanation to study or save for future reference. Part 2 will soon follow.
Carl