A full explanation of the reasons why land use management has such an important role to play in climate mitigation—and is not doing too well (Carbon Brief). This article was written by the lead author of a new study on the subject, thus providing a perfect review of the whole picture. One simple point is that political systems are heavily involved, and poorly suited to the task because of its complexity. On the other side, there are huge opportunities for progress, as reported in yesterday’s Climate Letter with reference to the value of massive tree-planting programs.
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–There is a story in today’s news about the way palm oil is being promoted in Indonesia as a source of motor fuel. It is a clear example of the complexity problem cited in the above story.
–If you want to learn more about how the whole world got hooked on the consumption fo palm oil, and the devastating environmental consequences, here is a “long read” story written for The Guardian by a well-qualified journalist.
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Young forests suck up more carbon as they grow than do old ones of the same size. This has been reported in a new study by researchers who were able to gather the data needed to make the comparisons. “The age effect accounted for around 25 per cent of the total carbon dioxide absorbed by forests.” This encouraging bit of news that should help further the promotion of reforestation projects.
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Researchers explain the important relationship between rainwater and the thawing of permafrost (Inside Climate News). “Increasing spring rains in the Arctic could double the increase in methane emissions from the region by hastening the rate of thawing in permafrost, new research suggests…..The findings are cause for concern because spring rains are anticipated to occur more frequently as the region warms.” The leverage that rainfall has over the rate of thawing is not difficult to explain, and certainly is completely credible.
–Here is the full study, with open access:
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A new type of highly efficient solar panel has been standardized for mass production. This project of a team of inventors based in Switzerland has not received much attention but is apparently on the doorstep of major success. The panels’ certified efficiency rating of 29% is a good ten points higher than the average of those now on the market, and their cost is projected to be highly competitive relative to energy output. Talks are ongoing with manufacturers for licensing rights. “Making our panels entails a few additional steps during the assembly stage. These steps could be tacked on to the end of standard production processes…..The company plans to launch its first product on the market in 2022.”
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Wally Broecker, known to his fellows as ‘the grandfather of climate science’ has died. He made fundamental discoveries which were first published in the early 1970s, and was effective as a public communicator. (The Guardian).
Carl