Climate Letter #1433

Why the US East Coast should expect hurricanes of rising intensity (Phys.org).  New research has taken a close look at the way atmospheric wind shear is changing as a result of the temperature increases due to greenhouse gas.  The changes that are occurring tend to reduce what is now a natural suppression of hurricane energy intensity, thus leading toward increases in intensity that could be quite costly.  This effect comes in addition to the higher power being generated via increases in the temperature of ocean surface water.

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Forest management and logging practices need to be better synchronized (Mongabay).  This story provides a great deal of timely information about a factor of critical importance for meeting the targets of climate mitigation.  Logging can continue—quite likely at a reduced rate—but current practices regarding tree regrowth must be changed in a substantial way and closely regulated.
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Many US businesses are feeling the impact of climate change in the form of severe weather conditions (Axios).  While farming is an obvious extreme case, many other businesses have found their costs going up while revenues are weakening.  (Moreover, everyone is likely to soon be hit with considerably higher insurance costs for property losses.)
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A clever way of describing Earth’s carbon cycle—in action, courtesy of Peter Sinclair.  The numbers represent billions of tons of pure carbon.  Note that the atmosphere holds only a tiny share of the total, an amount that is really not too difficult to double by means of aggressively tapping into other reservoirs that are larger, like fossil fuels and the biosphere.
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Not much room for uncertainty can be found in NASA’s temperature records since 1880 (Phys.org).  A group of scientists has tested and compared all of the accepted methods of measurement for errors and inconsistencies.  The GISTEMP records produced by a partnership of NASA and NOAA are found to deserve the high confidence they have gained for accuracy.  The margin of error for the entire 140 years is only +/- 0.15C.
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A new finding about the early history of our planet (ScienceDaily)  This should interest anyone who has wondered about where the moon came from, and all about its importance to the life that followed.
Carl

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