Climate Letter #864

A new mechanism that can cause melting of methane hydrates has been discovered.  A process involving osmosis effects when surrounding waters warm is said to have been proven through simulations.  A highly worrisome release of carbon could begin in this century.  This peer-reviewed study was reported in a top-rated journal and will no doubt stimulate much discussion because it adds an unexpected element of danger to long-term forecasts for climate warming.

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New research helps to explain the mechanisms that cause temperature trends to speed up or slow down over a period of one or more decades.  It involves the way air currents circulate between higher and lower portions of the atmosphere.  This provides useful knowledge for those who need to counter the typical false claims of climate deniers.
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How Europe’s cap-and-trade program is working.  This story from Climate Central provides an unusually clear picture of how this type of plan for controlling emissions is supposed to work and what actually happens once it is in place and comes up for periodic review.  It is a story of progressive weakness.  One example:  “It costs $6 to pollute the atmosphere with a ton of carbon dioxide pollution in the European Union. That’s down 80 percent since 2008 — even though the price had been projected to rise as Europe became more aggressive in the fight against warming. Some polluting companies receive so many free pollution allowances that they sell their excesses for profits.”  Much more in the post.  Environmentalists are generally not enthusiastic about these plans, and you can see why.
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An interesting argument in favor of a way to provide long-term storage of surplus power often generated by renewable energy sources.  It provides a solution to the problem of what to do if the sun doesn’t shine or the wind doesn’t blow for many days or weeks on end.  The idea of turning power into natural gas, using the right methods at every step of the way, is certainly worthy of gaining thorough additional study.
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A story about one individual who is making a difference.  Based in Kenya, she is especially good at mobilizing women to take political action.
Carl

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