Climate Letter #311

New data on “unburnable” fossil fuels. This story is based on proven reserves, or those ready to produce and sell economically. There are many more unproven resources lying around waiting to be proven. We can only burn so much of the proven stuff and still hope to stay within the remaining “carbon budget,” which is constantly shrinking. The commonly used budget, by the way, only gives us a 50-50 chance of avoiding a dangerous outcome. (That part can and maybe should be adjusted.) One obvious conclusion is that there is no rational need for anyone to go out and look for more new reserves, unless they had a vague hope of finding things with super-low production costs, which would be rare. So why do companies keep exploring? Do they think all this fuss is just going to go away, as we keep right on burning? That is a business risk, of the “old habit” type, that accounting agencies have started reviewing, and may require reports.

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How coral reefs are kept healthy, or not. This story provides an excellent explanation of all the things that affect the life of a coral reef, including some that are just now getting proper attention.
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China may really be getting serious about cutting emissions. For starters, they actually burned about 2.3% less coal in 2014. In 2013 China represented an amazing 47% of global consumption, so whatever they do really counts. The video provides a good summary of the environmental dead end that was breached and is now being backed away from. The controversial coal-to-gas project is also being undone. It is at least possible for us to hope for a complete energy revolution to now take place in China.
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Prospects for large-scale wave energy. Here is a study to keep in the back of your mind as a long-term energy solution that is maybe not as far-fetched as some of the other untested ideas.
Carl

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