Climate Letter #748

What does the La Nina forecast look like?  A strong La Nina would provide the best chance of a sharp cooling down of global temperatures next year.  Unfortunately, the three major agencies that make predictions are all in disagreement at this time.  One of them is saying La Nina is unlikely, one is unsure about whether it is beginning, and the other says it has begun but nothing about how strong it could be, which just means the most reliable signals are less clear than usual.

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This post has a great chart showing how these events have unfolded since 1950.  There is no regularity about what will immediately follow a strong El Nino:
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Another major petroleum leakage event that insults the environment.  These events happen with regularity, usually involving oil or natural gas, this time gasoline.  No problem of the sort for most renewables.
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A newly recognized effect caused in part by ocean acidification.  There are implications that appear to be damaging for many kinds of marine life, including the replenishment ability of valuable fish stocks. http://www.australiangeographic.com.au/topics/science-environment/2016/09/the-silencing-of-the-seas-how-our-oceans-are-going-quiet
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How clearing for palm oil plantations is destroying Indonesia’s rainforests.  This full-length feature article from Audubon Magazine shows how vast the damage is and how difficult to stop.
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A way to produce biofuels economically from lignin-structured biowaste has been found.  The key is to gain the ability to extract high-value chemicals along with the low-value fuels.  This is now being accomplished, still on a small scale, by employment of a unique form of bacteria.  
https://www.sciencedaily.com/releases/2016/09/160916132044.htm
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Higher levels of CO2 by itself helps plant growth, but plants have limited ability to tolerate the higher temperatures that are likely to be added in the presence of higher CO2.  Comprehensive testing shows where the limits are for some of the food and other staple plants that we very much depend on, with an outlook that will soon become unfavorable.
Carl

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