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If this is correct, we are now experiencing the results of an inadvertent, uncontrolled experiment in reverse geoengineering--removing a band of sulfur aerosols in the upper atmosphere.
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For decades this area has been kept relatively cool by sulfur emissions from ships. But this changed in 2020.
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OTOH if this warming had something to do with end of drought in western US it’s awesome policy
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it’s darkly hilarious how much we’ve accidentally masked global warming by putting so many other pollutants into the air
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If this is the primary cause of the Pacific Ocean temps this year, political views on Geoengineering might (finally) start to shift
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You can imagine removing the sulfur from the fuel also increased the carbon intensity of the fuel. It takes work/energy to remove impurities.
Some Background for German speaking people
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#Vulkane liefern die Blaupause: Bei ihren Ausbrüchen stoßen sie große Mengen Schwefeldioxid aus und kühlen so das #Klima. Ließe sich die ErderwÀrmung durch gezielte Freisetzung des Gases eindÀmmen? Dies untersucht Ulrike Niemeier @MPI_Meteo bit.ly/2OfwfP3 #GeoEngineering