Climate Letter #361

NOAA’s new temperature statistics. Lots of up-to-date information. The item you might find most interesting is that this winter (Dec+Jan+Feb) was globally the warmest on record for the Northern Hemisphere. North America, by itself, was an exception, not even close, but nearby sea surface temperatures both east and west did set new records.

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Georgetown,Texas, population 54,000, is going 100% renewable for its electricity. The local utility has chosen to go with just wind and solar because the combination will be cheaper and more reliable than other prospects, and use “a lot less water.” Except for the water saving, nothing is said about environmental benefits or sensitivity to climate effects, just economics. That sounds like something uncontroversial and easily repeatable in other locations.
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Amazon rainforest is becoming less of a carbon sink. This conclusion was based on a study of monumental proportions. One major finding is that trees do grow faster because of higher CO2 nutrition but are then more vulnerable to a variety of problems and have a shorter lifespan. All the carbon they store will eventually be released, but that is a slow process with longer-term effects. “Forests have been doing as a huge favour for decades, says Phillips. But the new study shows forests’ capacity to buffer climate change is shrinking, which means the need to reduce emissions is rising at the same time.” Forests other than the Amzon could have similar experience, but that is not covered by this study..
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Horrendous series of oil spills. The case against fossil fuels is not limited  to carbon emissions or air pollution. Oil spills, the worst of which are not always well-publicized, can do severe (and lasting) environmental damage, and seem to occur with great regularity. Here is a flagrant example from Nigeria.  I may be repeating myself, but there are no comparable problems with the new round of renewable energy sources.

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Choking smog in Paris. Another example of the social cost of burning fossil fuel, in an unexpected location. (In Asia, of course, the problem can be many times worse.) We have to admire what the EPA has done for the U.S. with respect to air pollution, but the rest of the world is not so fortunate and might be troubled by the expense of catching up.  Again, there is no such problem for renewable energy.
Carl

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