Improvements in power transmission technology will aid widespread development of renewables. A new strategy calls for moving lines underground along the same land being used by railroads. Cables meeting underground requirements have a small footprint and are cheap to install.
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What scientists have been learning about climate conditions during the Pliocene. This has great interest because there is good evidence that over three million years ago, before the ice ages were underway in the North, the CO2 level was hovering around and mostly under the landmark of 400 ppm where we are today. This post carries a full-length article from a December issue of Science News magazine with plenty of information based on recent scientific studies. It is a subject you will want to get familiar with because you will be hearing about it more often as a way of describing the changes that lie ahead.
https://www.sciencenews.org/article/what-pliocene-epoch-can-teach-us-about-future-warming-earth
–Here is a link to the study referred to at the end of the above article:
–This more limited link contains an important chart commonly found in the above and other recent scientific studies showing the best estimates for CO2 levels during the Pliocene based on a variety of measuring methods. There are not many readings above 400 to be seen.
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The extraordinary amplification of temperatures in the Arctic was a regular feature of Pliocene times. We are seeing that very thing take effect right now as the polar vortex continues its breakdown. Peter Sinclair has coverage of what a number of top scientists are saying about it, with extra links that go further. Notice the bit about current temperatures on Greenland at the very end. The breakdown of the vortex is likely to hasten the meltdown of Greenland’s ice.
–Here is today’s anomaly chart: http://cci-reanalyzer.org/wx/DailySummary/#t2anom
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A TED talk by Jared Diamond. This popular author probably knows more than any other person about the reasons why some societies in the past have collapsed. He is worth listening to.
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All about fracking. If you have an interest this article from The Guardian is full of information:
Carl