Climate Letter #695

Insects are vanishing at an astonishing rate.  A global index of invertebrate abundance shows a population decline of 45% in the past four decades, mainly due to careless treatment of the environment by various human activities.  Bees are just one example of something far more profound, and overall harm to ecosystems is at least a considerable counterbalance to the apparent benefits gained.  Is this leading symptom of the sixth extinction going to keep right on declining?  Where does it end?

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A new super typhoon in the western Pacific.  This story is really amazing because of its reporting of the vast amount of rainfall that has already deluged a large part of China, with much more now sure to follow.  Thanks to Robert Fanney, with his usual long list of supporting information links plus astute personal interpretation.
Deep trouble in Madagascar.  This island country, a little larger than California and with half its population, provides a dramatic example of what happens when powerful effects of climate change interact with massive environmental degradation.  Many of the people now have nowhere to go, and no access to clean water.
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How Amazon forests are affected by drought.  A ground-breaking new study shows how repeated droughts are causing the Amazon rainforest to lessen its capacity to serve as a carbon sink, largely by stunting tree growth.  The two main examples, the droughts of 2005 and 2010, will no doubt be updated later with information gathered in the current year.   The numbers involved are large enough to make a real difference in the reported readings of global atmospheric CO2 levels.
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Offshore wind production costs are falling rapidly.  A Danish company that bids on installations, Dong Energy, is leading the way. “Since 2012, he claimed Dong had cut costs more than 40% by working with the supply chain and improving designs and processes.”  Four years, 40%, that’s amazing.
For more information about what lies ahead in this fast-moving technology check out this post about what Siemens is doing and be sure to browse through the commentaries that follow for some really advanced information.
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New York City is considering a 10-foot wall for protection against sea level rise.  I wonder if Mr. Trump has an opinion regarding who should pay for it?
Carl

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