Attention to the Unseen

Michael Mann writes: Just a year ago we were dealing with an historically devastating Atlantic hurricane season. It was marked by the strongest hurricane – Irma – ever observed in the open Atlantic, the near total devastation of Puerto Rico by a similarly powerful category 5 monster Maria, and Hurricane Harvey – the worst flooding event in US history. At the time, I commented here and elsewhere about the role climate change had played in amplifying the destructive characteristics of…

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Kristina Dahl writes: After enduring three major hurricanes — Harvey, Maria, and Irma — in a few short weeks last fall, our nation is once again watching a monster storm churn its way toward our coastline. This time, the Carolina coast (which has not had a strike from a Category 4 storm since 1989) is in the bull’s-eye of Florence, which is predicted to bring life-threatening surge and damaging winds to the coast before stalling and dumping feet of rain…

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Science News reports: With temperatures creeping up as the climate warms, those very hungry caterpillars could get even hungrier, and more abundant. Crop losses to pests may grow. Insects will be “eating more of our lunch,” says Curtis Deutsch of the University of Washington in Seattle. Based on how heat revs up insect metabolism and reproduction, he and his colleagues estimate that each degree Celsius of warming temperatures means an extra 10 to 25 percent of damage to wheat, maize…

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Marcello Rossi reports: Fueled by rising incomes rather than urbanization, meat consumption in China grew sevenfold over the last three decades and a half. In the early 1980s, when the population was still under one billion, the average Chinese person ate around 30 pounds of meat per year. Today, with an additional 380 million people, it’s nearly 140 pounds. On the whole, the country consumes 28 percent of the world’s meat — twice as much as the United States. And…

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National Geographic reports: Nikita Zimov was teaching students to do ecological fieldwork in northern Siberia when he stumbled on a disturbing clue that the frozen land might be thawing far faster than expected. Zimov, like his father, Sergey Zimov, has spent years running a research station that tracks climate change in the rapidly warming Russian Far East. So when students probed the ground and took soil samples amid the mossy hummocks and larch forests near his home, 200 miles north…

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Stefan Rahmstorf writes: We’ve all become increasingly used to reports of extreme weather over the past few years. But this summer’s raft of dramatic weather events is significant: Not only does it show what warming can do, it points to the potential large-scale trouble that lurks in the disruption of the planet’s winds and ocean currents. In the past few months alone, we’ve seen extreme heat in Western Europe, Canada, Alaska, the western United States, Texas, Japan and Algeria, which…

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The Guardian reports: Rising global temperatures mean pests will devour far more of the world’s crops, according to the first global analysis of the subject, even if climate change is restricted to the international target of 2C. Increasing heat boosts both the number and appetite of insects, and researchers project they will destroy almost 50% more wheat than they do today with a 2C rise, and 30% more maize. Rice, the third key staple, is less affected as it is…

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