Extraordinary North Pole temperatures are expected to continue next week. The cold air rebound is now shifting away from North America and toward Europe, which can see temperatures fall 35F below normal. The heat around the Pole is the highest ever measured for February.
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–On this anomaly map you can see a large patch north of Greenland where the color is about to run off the scale today. That takes it all the way to 30C or 54F above normal, and maybe higher? I’ve never seen that before. Amazing.
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A new study amplifies the problems coral reefs are facing. Older sediments used as long-term building blocks for reefs are prone to dissolving as a result of rising acidification. “The sediments are 10 times more vulnerable to acidification than the tiny coral animals that also extract chemicals directly from the sea water to build stony skeletons that form reefs, the study said.” It is still unknown whether the slow erosion will eventually lead to catastrophic destruction, but reefs that die from high warming episodes will lose some of the foundation on which it is most easily possible to rebuild.
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What the oil companies are currently saying about climate change, with some answers. These observations were all collected within the last month. Corporate strategy is no longer putting much emphasis on outright denial, which places them well ahead of their political cronies, but they still promote every opportunity that can to mask the importance and delay the inevitable comedown.
–What Shell Oil is saying about hydrogen actually makes sense, and is backed up by new research favoring a way to expand the renewable transition. (There is an interesting story to that effect in CL#1113.)
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An editorial in the journal Nature is not favorable to the idea of spreading rock dust on agricultural fields as a practical way to sharply reduce CO2 levels. It further dismisses all proposals for negative emissions issued so far as “magical thinking” that detracts from the pursuit of mitigation measures known to be effective.
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The cost of creating offshore wind turbines can be significantly reduced. Engineering studies have been looking at the way their foundations are built, and see much room for improvement. As an exciting and noteworthy result, “This partnership will enable us to further mature our foundation designs to support even bigger turbines in even deeper waters, lowering costs and risk level at the same time.”
https://cleantechnica.com/2018/02/22/orsted-university-oxford-team-optimise-wind-turbine-foundations
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