What is happening now in Alaska? Spring temperatures broke all records, a huge 10.3F degrees above the average for years 1925-2000. Part of the problem is directly related to dry soils. “In addition, when soils are waterlogged it prevents afternoon temperatures from rising as high as they would if soils were dry…” Very warm ocean waters that have persisted off the Pacific coast also make a difference.
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How “Arctic amplification” affects the ice-melting process in Greenland. A new study supports the idea that the loss of sea ice in the Arctic Ocean causes changes in the jet stream, producing ridges in a holding pattern while drawing in warm air from the south. Last July a ridge swung farther to the north than any of such ever recorded for that month, setting up a chain of events down below. Increases in such systems over recent decades are consistent with the progressive behavior of Arctic sea ice decline, which has again been setting new records in early 2016.
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Where the global demand for water comes from, an eye-opening analysis. Agriculture dominates this demand, followed by the large requirements of electricity production. Together they are 94% of the total, and both are facing strong growth trends ahead, creating a hard-edged struggle for increasingly scarce supplies. The carbon footprint is also involved, in ways that complicate the priorities allocation picture.
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The oil industry, especially when operating irresponsibly in third world countries, provides easy targets for extremist groups that have terrorism or extortion in mind. Nigeria is a case in point, causing a multifaceted breakdown which may all but destroy the nation. Oil’s price collapse is having a ruinous effect elsewhere. All of these things add to the arguments for making a full transition around the globe to other, more benign, sources of energy.
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How Greenland’s climate has changed. From Scientific American, a very good writer tells about her experiences, with a number of fine photos added.
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What Donald Trump thought about climate change, six years ago. I guess when he decided to run for president as a Republican he thought it best to change his views. There are comments at the end about China, the leaders of which have also flipflopped, but in the opposite direction.
Carl