Climate Letter #1602

George Monbiot makes a case for abandoning climate targets, favoring a maximization of emergency response measures (The Guardian).  A prominent British activist constructs arguments that cannot easily be faulted, based on the premise that a catastrophe is already in progress and escalating.  “There is no safe level of global heating: every increment kills…..We have arrived at the burning building. The only humane and reasonable aim is to rescue everyone inside.”

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An expert opinion on what precise steps must be taken to accomplish full mobilization of the resources required for successful climate mitigation (Yale e360).  David Victor is a professor at the School of Global Policy and Strategy, University of California at San Diego and chairman of the Global Agenda Council on Governance for Sustainability at the World Economic Forum. He is also co-chair of the Brookings Initiative on Energy & Climate.  He writes with great clarity, providing a realistic pathway toward realizing the advanced kind of activity called for by George Monbiot in the story above.
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A senior editor at MIT Technology Review explains why planting billions of trees is a good idea with many benefits but should never be thought of as a weapon of major importance for tackling climate change when the need is for immediate results.  He lays out a complete list of scientifically-based reasons.  “So yes, trees can and will need to play some role in sequestering carbon already in the atmosphere, at least for a while. But that’s all the more reason we can’t rely on trees as a stand-in for the separate monumental task of cutting emissions from our energy, transportation, and agricultural systems.  And it’s hard to read Republican’s sudden enthusiasm for tree planting as anything other than a cynical effort to dampen growing calls for the sorts of regulations and taxes required to bring about those changes.
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A meat substitute made from a type of fungus is shown to have many benefits for the environment as well as for health (Anthropocene).  “Familiar to many consumers as the meat alternative, ‘Quorn’, mycoproteins are gaining a foothold in the meat-replacement market, as people switch to vegetarianism and veganism, or opt to reduce their meat consumption for health reasons…..On top of all this, the researchers found that when compared to other meat alternatives, mycoprotein products already have a high consumer acceptance ranking. With this existing social and cultural acceptance in place, there’s the potential for the food to expand further into the market, and become a more influential alternative to conventional meat.” http://www.anthropocenemagazine.org/2020/01/clean-green-mycoprotein-the-benefits-of-alternative-meats-for-our-planet-and-our-health/
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An interesting new idea could reduce the thawing of Arctic permafrost by restoring an ancient ecosystem (University of Oxford).  “The wide-scale introduction of large herbivores to the Arctic tundra to restore the “mammoth steppe” grassland ecosystem and mitigate global warming is economically viable…..Grazing animals such as horses and bison are known to engineer the landscape around them…..When this process is harnessed to restore an ecosystem to a previous state it is called rewilding. It can also be used to change one ecosystem into a different but more desirable state.”  The study claims that, with effort, this could actually be done in the Arctic with a beneficial impact.
Carl

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