Climate Letter#568

Posted on January 11, 2016 by Carl Campbell
Some figures on US coal production.  2015 showed a good drop, continuing a trend that comes to nearly 25% since 2008.  Competition from cheap natural gas is the primary reason, with benefits to the climate as long as gas leakage is controlled.

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Should the “Anthropocene” be officially designated as a geological epoch?  This is being considered, and the case being made keeps getting stronger.  This article makes a separate point that doing so would help to convince more doubters that human activity is responsible for climate change, along with all the other indelible imprints that are perhaps more obvious.
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How are temperature records measured, why are there differences, and which ones are right?  This is an issue of endless argument as well as common curiosity.  Today, satellite data and groundstation data typically end up with differences.  Which should we rely on?  This post has a good discussion, quite lengthy, and a short video lecture from a real authority on how errors have been reduced for groundstation data.
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Some good advice for individuals who want to help tackle climate change.  One easy way is to learn how to engage others in conversation in an artful way.  Social discourse of this type is relatively rare apart from those who have taken sides as activists.  Simply showing evidence of concern can be influential, especially if heard by politicians.
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A setback for windpower development in the UK.  Here is a sad example of policy malfunction, probably tied to the work of lobbyists with a private agenda.  The post also provides a fine explanation of what can now be accomplished with the advances in wind technology, which is actually rather amazing.
Here is another example of what private lobbyists have just accomplished, this time in Nevada:
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A way to sequester captured CO2 by using it to help store thermal energy.  This “underground battery” is the brainchild of several major institutions, who have worked on the idea for a number of years.  They claim it would be cost-effective, and is drawing interest from industry.
Carl

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