From the IMF: A new call for sharply higher carbon taxes (The Guardian). There is nothing new about the content of the plan, which is based on an idea that has been around for several decades. What is striking about the reasoning behind the call, based on calculations by IMF economists, is saying that the battle to avoid disaster can only be won by instituting such a plan on a fully global basis. That is to say, all the other alternatives, tried or untried, are insufficient for one reason or another, but this one could not fail to cause a strong reduction in emissions—if it is actually enacted. (And without much delay.)
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Bill McKibben argues that increased carbon emissions from methane due to producing and burning natural gas in the US have served to replace all of the cuts gained from burning less coal (The New Yorker). The full accounting is real, and often gets overlooked. An unusual chart showing the data is included in the story.
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Demand for coal continues to grow in India (The Ecologist). It is expected to remain the dominant fuel in the country until well past 2030 in spite of horrendous consequences, e.g., “Over 1.2 million people died in India due to air pollution in 2017, according to the State of Global Air 2019 report.” There is plenty of active opposition, and it has been helpful, but more change is badly needed.
A vivid account of the changes happening to life in Alaska (Grist). “From vanished sea ice to skies choked with wildfire smoke to animals appearing where they shouldn’t or not appearing where they should, the impacts of a fast-warming climate were visible everywhere residents looked.” Many people say they are frightened by so much that has gone awry.
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Scientists now know what caused the atmospheric CO2 level to decline so much in times past when ice sheets were advancing (Institute for Marine and Antarctic Studies). The ordinary ‘biological pump’—where atmospheric carbon is absorbed by phytoplankton and sequestered to the seafloor as organisms die and sink—was greatly enhanced by nitrogen fertilization derived from wind-blown dust. This is a good thing to know when studying Earth’s climate history, but may not be of much help in solving the problems of today.
Carl