Climate Letter #437

Posted on July 6, 2015 by Carl Campbell
The dimensions of river flooding are growing rapidly.  This study was performed in the midwestern U.S., but no doubt should have similar results almost anywhere.  “This analysis shows that average high-water marks on these river systems are rising about an inch per year — that’s a rate ten times greater than the annual rise in sea levels now occurring due to climate change.”  Growing frequency presents a headache just as much as depth.  (The two videos are not especially relevant.)

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A report on mean global temperatures for the month of June.  The most interesting feature is the chart  showing the trendline of anomalies for all months since 1980, rising at an overall rate of 0.12C per decade.  June came in a little above that line, and coming months should see a significant bounce higher if the strong El Nino forecasts are realized, especially those with comparisons to the one in 1998.
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A once-productive part of Northern China is turning into desert.  This is a very moving story about how the people who live there are being affected as their change of climate becomes a reality.
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The extra benefits of owning an electric car.  An enthusiastic owner explains why he would never go back to internal combustion engines.
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How Republican leaders have changed their tune on global warming.  A set of surprising video clips are shown from 2007-8.  No explanation is given for what caused the subsequent change, which is completely out of step with the attitude of most other (but not all) political leaders around the world.  If not big gobs of coal and oil money, what else could it be?
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Heavy new commitments to burning fossil fuels are still being made.  This means capital goods and facilities with a long useful life.  Cutting that life short would add greatly to the total cost of curbing emissions, which means there is an urgent need for reduction, one most difficult to enforce.
Carl

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