Global temperatures in July were surprisingly warm. It was statistically tied with both July and August of 2016 as the hottest month on record. “But whereas 2016 set its temperature records boosted by one of the strongest El Niño’s on record, 2017 is setting records in the absence of any El Niño at all.” That sends a message that the underlying trend of global warming may be stronger than ever.
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The latest conclusions about how four major grain crops will be affected as the climate warms. This is based on a major study that reviewed the results of 70 previous studies that used a variety of methods. Rising temperatures have negative effects on yields of wheat, rice and maize, but not soybeans.
–A separate study showed that sorghum yields would have greater declines than any of those reported in the story above, by about 10% per year for each degree Celsius of temperature rise. Sorghum is a staple food for more than half a billion people.
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The longest river on the Iberian peninsula, needed by millions of people, could dry up completely. While the river is subject to overuse in any event, drought due to climate change has had an impact of unexpected severity on its flow.
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A scientific report challenges governments to crank up their efforts to understand and pursue the development of geoengineering. Governments made the decision in Paris to rely heavily on geoengineering to meet temperature targets rather than going all out on programs that would directly reduce carbon emissions by changing human behavior. That choice was made without fully understanding all the implications, or the cost, of various geoengineering proposals, or even if any of them would work satisfactorily on the scale required. With time running short they should really get something going. (Donald Trump will be happy to help foot the bill.) This report is full of useful information.
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The outlook for improvement in solar panel efficiency. The best-selling panels today capture about 17% of the sun’s radiation. Technologies that have already been demonstrated should raise this figure to 20% within a decade. Also, there are some high-end techniques now yielding 21% that have a raise to 26% in sight.
–Plus, an interesting new discovery may be able to add 1 to 2% to any of the above numbers in an easy way.
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Why is this happening? Another large chunk of high quality planet life is about to be destroyed, including many innocent people.