I finished my Climate Change in Four Dimensions course at Coursera, and I got my certificate. You can see it here.
The course was meaningful and challenging, as MOOCs often are. One important thing is that I now know a lot more about the extent of greenhouse gas emissions and how the greenhouse effect works. But, equally importantly, I was introduced to the work of Professor Naomi Oreskes, whose book Merchants of Doubt (coauthored with Erik M. Conway) tells, as its subtitle indicates, "How a Handful of Scientists Obscured the Truth on Issues from Tobacco Smoke to Global Warming." Review coming soon...
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Spring in the Time of Coronavirus
Winter rains have been good this year, and wildflowers grow in profusion beside our neighborhood walking path. As local government decrees...

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Demi Moore's leech therapy seems so medieval, but so does the lack of affordable health care in the United States! [Click on the image ...
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At the end of my previous post on the Mahoning River , I quoted from Dr. Lauren Schroeder’s eloquent 1974 testimony to the EPA about the the...
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Charlton Heston died recently, but instead of commenting on his NRA connections, I decided to remember his role in Planet of the Apes and r...
