An update on the trend of atmospheric CO2 level. The seasonal downtrend is now ready to begin at Mauna Loa, following a normal leveling off period during the month of May. The best year-to-year comparisons for CO2 are created in the whole month of May and in the last two weeks of September, which constitute the two annual pivot points. This year’s May was about 2.1 ppm on average above the May 2016 figure, a relatively good number for the time being. (Scroll down for the close-up view.)
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Trump’s decision on US participation in the Paris accord is expected this week. Whatever he decides, staying in and being cooperative, staying in and being obstructive, or getting out completely, is going to arouse a large amount of anger. The middle ground choice would evoke maybe lower levels of disgust but those would be spread across everybody with deep feelings on both sides of the issue. In that case a handful of other Paris members would be pleased to join with the US in creating a faction of foot-draggers, opening the door to unpredictable and possibly explosive consequences before long.
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Where does Britain really stand? This report from Greenpeace, based on actual documents, suggests that Britain’s conservative government has much in common with the Trump position on climate action, but in a less open sort of way. Would they become part of a potential slowdown faction in the Paris group?
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The “heat island effect” is very costly to people who live in cities. The economic costs due to climate change are more than double the costs of living in less crowded places. There are effective means available that would partially reduce these costs.
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A new type of wind turbine tower would likely be productive in all fifty US states. It could reach those higher altitudes where wind speeds are generally greater, and be cost-effective. A prototype could be built in about a year.
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Off topic: A fine fish story, well told: