Near surface wind speeds over the continents have dropped significantly in recent decades. This article from Cosmos magazine has excellent coverage of the whole subject of global wind speeds, some reasons for why they change and how climate conditions are affected. Wind turbines that are well above the surface have not been affected, and those offshore are seeing possible acceleration.
https://cosmosmagazine.com/climate/the-wind-is-slowing-down
https://cosmosmagazine.com/climate/the-wind-is-slowing-down
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New research into the El Nino effect on atmospheric CO2 levels. It’s more about a strange reduction in the ability of some forests to act as a sink than about increased emissions. “During the El Niño, the sink’s level rose rather than went down, as if a cosmic hand had shut the tap and unplugged the drain. The net result on tropical forests was as if humans beings had increased fossil fuel use by more than 25 percent for a year, releasing an extra 9.5 billion tons CO2 into the atmosphere.” This would indicate a weakening of plant growth by a surprising amount.
https://www.yaleclimateconnections.org/2018/05/cracking-a-climate-conundrum/
https://www.yaleclimateconnections.org/2018/05/cracking-a-climate-conundrum/
–The National Weather Service is now predicting a return of El Nino conditions late this year, following a shift into a current neutral position from a previous weak La Nina. There is no estimate of how strong it would be. https://uk.reuters.com/article/us-weather-elnino/el-nio-pattern-could-emerge-by-2018-19-winter-u-s-forecaster-idUKKBN1IB202
How wildfires are affecting America’s forests. This feature article from Outside online expresses deep concern over the prospect that many will never come back in a form anything like what they were before. Also, as temperatures rise, the increase in the pace of burning shows no sign of slowing. Because of current heat and drought “This year has the potential to be epic.”
https://www.outsideonline.com/2297996/fires-changing-forests
https://www.outsideonline.com/2297996/fires-changing-forests
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Metropolitan tree cover is also being lost in the US, though not because of fire (Scientific American). The annual decline amounts to about 175,000 acres of trees in and around urban areas. A long list of negative effects are described including an increase in air temperatures. Tree planting programs commonly do not keep up with losses either because of inadequate funding or lack of interest.
https://www.scientificamerican.com/article/u-s-cities-lose-tree-cover-just-when-they-need-it-most/
https://www.scientificamerican.com/article/u-s-cities-lose-tree-cover-just-when-they-need-it-most/
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The Bonn climate talks which ended yesterday fell well short of its goals. Apparently there is an excess of polarization among countries dependent on their state of development. Promises of financial aid for poor countries that unfortunately have the heaviest exposure to climate damage are not being fulfilled, which is not only the fault of the Trump pullout. There will be one more preliminary meeting before the big summit in December, requiring attitudes of a more compromising sort if there is to be real progress ahead.
https://phys.org/news/2018-05-deadline-looming-climate-fall-short.html
One more reference to climate change polling results—the lack of interest by voters. If you scroll down a ways in this post you’ll see where Global Warming stands among various groups within a list of 28 election issues. I think it held the same overall spot a year ago.
https://pv-magazine-usa.com/2018/05/11/solar-power-popularity-still-strong-but-not-driving-votes/
https://pv-magazine-usa.com/2018/05/11/solar-power-popularity-still-strong-but-not-driving-votes/
Carl