Sargassum seaweed is emerging as a major problem that won’t go away (BBC News). The problem is specific to the Atlantic Ocean and Caribbean Sea. Certain effects of climate change are involved, while “Deforestation and fertiliser use are among the factors thought to be driving the growth.”
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–The Atlantic magazine has more extensive coverage of this troublesome stuff:
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New information about deforestation activity in Brazil (Deutsche Welle) “The Brazilian Space Agency has released data documenting a massive spike in deforestation in the Amazon rainforest. Citing figures from June, the agency registered an 88.4% increase over the same month in 2018.” That compares with a 34% increase registered in May, as policies of the new Bolsonaro government begin to take full effect. International reactions are intensifying.
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India is actively adding sources of renewable power but opposes the shutdown of existing coal-fired plants (Reuters). This is a dilemma for any country that has dreams of rapid modernization development, and India happens to be the largest of these, with ample resources now at work. “India, one of the world’s largest coal producers and greenhouse gas emitters, estimates coal to be its energy mainstay for at least the next three decades.” That kind of report needs to somehow be revised.
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A new study shows the potential for massive tree-planting programs to soak up carbon from the air (The Guardian). The report offers the first comprehensive calculation of how much land is available without encroaching on other needs, plus the potential benefits. “This new quantitative evaluation shows [forest] restoration isn’t just one of our climate change solutions, it is overwhelmingly the top one,” said the professor who led the research. He shows why the cost is well within reach. “Earlier research by Crowther’s team calculated that there are currently about 3tn trees in the world, which is about half the number that existed before the rise of human civilisation. We still have a net loss of about 10bn trees a year.” This is a great idea from any point of view, and also a big challenge. Now it needs some powerful leadership that could make it happen.
–A separate paper published this week has much supporting information. This link carries a commentary that was written by its author for The Conversation:
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A British author with a background in anthropology gives us a pessimistic version of what the future looks like, plus his own idea of an ultimate solution (Financial Times Weekend). This writer cannot be faulted for having doubts about the willingness of today’s humans to engage in the emission-cutting actions that are needed right now, and gives many examples. He believes that will change when people get desperate, in preparation for a mobilization program based on intense modes of climate engineering on a global scale. Perhaps he is right, but the idea is unacceptable. Actually, young people should be told about it, to see how they react, and maybe they will search all the harder for better alternatives.
Carl