Why the CO2 level spikes higher during El Nino events. New information has become available based on readings obtained by satellite. Actual measurements now show specifics about ways that cause an excess of CO2 to be released and also about other processes that cause normal CO2 absorption to be suppressed. The figures give a good accounting for why the total additions reported from Mauna Loa were so high in 2015 and 2016 and will come sharply back down this year.
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–A more extensive analysis of how this testing is done and why it is important, from RealClimate:
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CO2 update for 2017: This chart clearly shows how the sharp pivot in the annual trend pattern from declining to rising happened right on schedule again this year in late September. The trend line was 2.2 ppm above where it was at this same point a year ago, very similar to the relative increase observed at the seasonal high point in May. To see this, click on Interactive Plots and scroll down. Then click on Growth Rate to see how a possible 2.2 increase for the year would look as part of the record for annual gains since 1960. Where will those green bars be in 2050?
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A thoughtful essay on the climate change problem, published on the Skeptical Science website. This is one you may want to spend some time on. I am not sure who the author is (“Evan”), but he obviously has a deep understanding of many different aspects of the problem. In addition his article is full of links to other sources of high quality, practically every one of which is worth opening. Finally, in the Comments section at the end, #9 was posted by an individual (“RedBaron”) who has some unusual and quite interesting ideas about potential solutions that can be found in creative agricultural practices
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A new kind of flow battery developed at MIT has ultra-low cost of materials and will hold power in storage for extra-long periods of duration. This should make it competitive with pumped hydro systems for storing power at utility stations while also enjoying an enormous advantage in physical size and location requirements.
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Environmental groups object to proposals that would burn biofuels for powering aircraft. The potential demand would be of a size large enough to cause more clearing of rainforests in order to grow the crops, with little or no net gain in carbon emissions over current practices.
Carl