Climate Letter #1638

The effect of heat stress on the survival of various organisms is becoming evident (Yale e360).  Veteran journalist Jim Robbins gets down to specifics with this excellent review of the findings of a number of recent studies.  Heat stress is brought about by the occurrence of extreme high temperatures, which are growing more common in all sorts of places.  As one researcher put it, “Do extremes matter? You better believe they do, and it’s scary and getting scarier.”

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Relative to the above, a new study has found that scientists often badly underestimate future occurrences of extreme weather events (Stanford University).  “Stanford climate scientist Noah Diffenbaugh found that predictions that relied only on historical observations underestimated by about half the actual number of extremely hot days in Europe and East Asia, and the number of extremely wet days in the U.S., Europe and East Asia…..even small increases in global warming can cause large upticks in the probability of extreme weather events, particularly heat waves and heavy rainfall….causing significant impacts on people and ecosystems….. a warming world has made many extreme weather events more frequent, intense and widespread, a trend that is likely to intensify.”  Noah Diffenbaugh can explain all this better than anyone.  It is a very serious matter.
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“Decarbonizing cities to meet EU goals is a question of money” (POLITICO).  “Cities generate about 70 percent of the world’s greenhouse gases, so any effort to become carbon-neutral fails without their involvement. But the costs of going green are immense…..Globally, cities need to invest $1.8 trillion a year to become carbon-neutral.”  This story is mostly about particulars related to buildings in Warsaw, but the observations are applicable everywhere, and the challenge is obviously great.  “About two-thirds of Europe’s building stock dates to before 1980, which means it doesn’t meet modern energy standards and has to be upgraded.”  Being there are other demands for the same money, it won’t be easy.
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No new cases of coronavirus reported in Wuhan, China and the surrounding province (Axios).  “Chinese authorities introduced unprecedented measures in January in an effort to contain the virus, including suspending all travel in and out of all cities in Hubei province and preventing the province’s 59 million people from leaving home.”  This great news was accomplished by actually taking some of the most radical steps that can be imagined for completely transforming the behavior of so many people, and it worked.  There is now a known, effective means of stopping all spreading of the disease, so that people can safely start to associate again in a normal way, but only as long as they have borders that can prevent anyone from entering their home territory without proof of being equally clean.  That restriction might need to go on for years, serving as a hindrance to travel and trade.  Could a whole nation as big and active as the US, having a much different style of governance, and no internal sets of borders that can be sealed individually, accomplish the same level of conditions?  Not as quickly and efficiently as Wuhan and its province, but we will have to work at it, and the situation should offer opportunities for more effective climate action at the same time.  (See the following story.)
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“Green Jobs Are the Answer to the Coronavirus Recession” (The New Republic).  This is nothing more than a reestablishment of Franklyn Roosevelt’s New Deal and all its public works, except now it’s Greener.  The author of this piece, with an assist from The New York Times, has a clear message, and politicians need to keep hearing it from nearly everyone, if that’s possible.  Whatever stimulus program is finally adopted should certainly not be aimed at just putting things back the way they were; here we see some great ideas for an alternative program.
Carl

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