Climate Letter #1474

Climate change may be connected to the spread of a deadly, drug-resistant superbug (Science Daily).  Researchers have come to that conclusion about a fungal disease that was thought not to be contagious but has in fact rapidly swept across the globe.  “What this study suggests is this is the beginning of fungi adapting to higher temperatures, and we are going to have more and more problems as the century goes on.”
https://www.sciencedaily.com/releases/2019/07/190723085941.htm

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–Much more information about the disease is available at this site, taken from three different media sources:
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Accelerating climate change threatens animals’ ability to adapt (Down to Earth).  An international team of 64 researchers has reviewed all of the available literature on this subject, covering over 10,000 published studies, and confirmed that a widely accepted view is correct: “This study is among the first to explore the limits of what nature can cope with in the long term and the picture is not very positive…..Climate change will negatively impact numerous species vital to the continuing function of the natural world.”
–Another study, just published today, provides a particular example of how a relationship between a bee and a type of flower has broken down, clearly illustrating the above point.
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“Earth Overshoot Day” was set for July 29 this year, the earliest ever.  Writing for The Conversation, a professor of sustainable development provides an analysis of the way this popular metric is composed and sees value in it, along with a few flaws that make it largely unusable for scientific purposes.  “In my view, the ecological footprint ultimately does not measure overuse of natural resources – and it may very well underestimate it.”  He goes on to describe some of the matters that cannot be made to fit this kind of indicator.  “The best tool for measuring human impacts on the planet may be a dashboard of environmental indicators, not a footprint.”
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Europe is again gearing up for a major heatwave (BBC News). For the second time this year, all-time records are being broken, with sights now set on Paris.  “The continent has also been hit by severe droughts, particularly in France, with no rainfall in many areas since last month’s heatwave.”  Climate change is being blamed for the high temperatures, with good reason—“Europe’s five hottest summers since 1500 have all been in the 21st Century.”
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Satellite images show unprecedented burning of wildfires inside the Arctic Circle (Independent).  Systematic collection of data may be lacking, but this post offers plenty of evidence that fires all across the far North are burning at a rate never seen before, all because of intense heat and dryness.
Carl

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