Climate Letter #419

The overwhelming importance of critical developments in the cryosphere.  Many effects of climate change are temporary, and the damage, no matter how bad, can be cleaned up in good time.  Not so in the case of irreversible ice loss.  This post covers the latest news and prospects surrounding sea ice, ice sheets and permafrost, all of which are in serious decline with high-cost consequences.  It is an out-of-sight problem that has become a matter of urgency.  “Changes are taking place faster in the cryosphere than anywhere else, making it an ideal lens through which to view climate change negotiations….”

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The U.S. can be 100% converted to renewable energy by 2050.  It is technically and economically possible, in all 50 states, using existing technologies, according to an exhaustive study made at Stanford University.  “By showing that it’s technologically and economically possible, this study could reduce the barriers to a large scale transformation.” The details are well-summarized in this post, giving the impression that nothing was overlooked, while seeing very little downside.  Some states like California are already moving this way on their own, and now have a useful road map to read.  Other countries can surely also benefit.
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The basics of Concentrating Solar Power (CSP).  CSP collects solar energy in the form of heat, as opposed to collection in the form of electricity by photovoltaics (PV).  Heat  can be stored for future use much more cheaply and easily than electricity, giving it a big advantage in many situations.  The two types of collection actually work very well in combination from a systems standpoint.  This post puts everything in perspective, with good graphics and a short video.

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Peat lands do not give up their carbon easily.  Peat has been a source of worry because of its vast extension and highly concentrated carbon content.  This study has found that, unlike the situation with permafrost, a warmer climate does not effectively cause peat in boreal regions to decompose.  That’s nice to know.
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$175 million being donated for greening the GOP on climate matters.  That’s quite a bit of money for no apparent financial benefits.  The general idea is good for the country, but the tactics, as described here, do not look tough enough to accomplish any significant election goal.  And for what reason has he donated money to Mitch McConnell?
Carl

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