Climate Letter #1318

A revealing breakdown of global fossil fuel emission trends (The Daily Galaxy).  Key facts are displayed here in a most interesting manner.  Note how India plus ROW, which together have almost half of the world’s emissions, are at the low end of per capita usage and also currently showing the strongest and steadiest growth trends of total usage.  A lot of things to ponder about.

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It’s possible that our wild and stormy weather in North America is here to stay.  This article from Skeptical Science talks about the role played by the weakening of the jet stream as prompted by Arctic warming.  There are also some good comments and extra links at the end.  One might further mention the emerging fact that warmer air is producing massive increases in precipitation that aggravates exposure to the jumbled air movement patterns.
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Blistering heat in northeastern Australia is drying out lush rainforests, leaving them vulnerable to attacks from bush fires (The Guardian).  Cyclone damage is also part of the story taking place in a world heritage area.  The problem is compounded by the potential for future mudslides, as we have seen in California.  “High-intensity fire tends to create a layer within the soil that is hydrophobic and therefore water repellent causing mass soil erosion.”
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A new study foresees reasons for a possible acceleration in the rate of global warming.  Aside from the failure to curb emissions there are two unusual factors coming into sight.  One is the likely reduction of heavy air pollution that has had the effect of blocking sunlight and the other would be the result of changes in both the Pacific and Atlantic Oceans that create enlarged and long-lasting areas of warmed surface water.
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A growing body of evidence shows that rising CO2 makes most foods more bulky but less nutritious (Scientific American).  People who eat them can still become overweight but don’t get a full complement of vitamins and minerals.  “Extra carbon dioxide acts like empty calories or “junk food” for the plants, which gorge themselves on it to grow bigger and faster, consequently getting larger but less nutrient-packed.”  The effects are felt throughout the animal kingdom, up and down the food chain.
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The carbon tax approach to emissions reduction is apparently running out of steam (Politico).  In one case after another, getting public support for the idea has proven to be exceedingly difficult.  “…..even the most liberal Democratic candidates this year gave carbon taxes scant if any mention in their climate platforms, focusing instead on proposals like a phaseout of fossil fuels and massive investments in wind and solar power.”  This is most unfortunate, because no other tool would be anywhere near as effective in immediately reducing demand for fossil fuels by everyone who uses them, which is now a vitally urgent need.
Carl

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