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Another study claims that the rise in temperature records falls short of reality. This new report, issued under NASA’s name, ties in well with what other researchers have been saying about the way temperature records have been constructed. There are three main sources of error analyzed here that can be corrected. The corrected data would add about 0.2C to common charts used to show warming since the 1860s, presumably tightening up the remaining slack before the 2.0 target set in Paris is breached.
https://www.sciencedaily.com/releases/2016/07/160721164201.htm
https://www.sciencedaily.com/releases/2016/07/160721164201.htm
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Current warming is happening faster than models have predicted. So says the Director of Research at the World Meteorological Association. (These are the same models that are retrospectively in alignment with the corrected data as determined in the story above.) He says the latest acceleration of warming can only partially be accounted for by El Nino, with the rest coming from causes unknown. “If we got this much surprise this year, how many more surprises are ahead of us?” The standard theory of tipping points may be getting a real-life test.
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One kind of greenhouse gas is coming under full control. An HFC phasedown treaty is being negotiated by all nations, and rated as likely to succeed. The amount of global warming that can be avoided by this action is larger than one might suppose, estimated at 0.5C over time. There are costs involved, and that is the main problem area for negotiators.
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Some favorable statistics regarding global energy intensity. There is a steady downtrend in the amount of energy required to achieve each unit of growth in GDP. At the same time, as renewables gain favor, there is a decline in the ratio of fossil fuels needed to produce that energy. That is all good news, but as Michael Mann says, “We are making headway, but we need further incentives for policies that will accelerate the transition away from fossil fuels if we are to stabilize warming below dangerous levels.”
http://www.climatecentral.org/news/global-economy-using-energy-more-efficiently-20542
http://www.climatecentral.org/news/global-economy-using-energy-more-efficiently-20542
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An interesting new low-cost technology for producing hydrogen. The small company that is developing the process claims it can cut the cost of hydrogen by 50% or more, and do so with very low energy requirements. Hydrogen is potentially useful as an exceptionally clean fuel, but is currently little used in that role. That could change.
Carl