Do you remember David Wallace-Wells? One year ago he wrote a magazine article (New York) of the doomsday type about climate change that got a lot of attention. It is still worth reading, and this post has a link to it. Now he is back with a sort of progress report that mostly focuses on the difficulties involved in communicating the underlying reasons why we are having this unprecedented and potentially catastrophic problem. Those reasons are not comprehensible without digging into the scientific fundamentals, a requirement that broad swathes of the public strongly resist for a variety of reasons. (I don’t know of any answer to that problem—I just ignore it when composing these letters.)
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Along this same line, here is Carbon Brief with broad coverage of the worldwide heatwave event that is still in effect plus many examples of how much of the media is unwilling or unable to describe the connection between the event and the underlying processes that are responsible.
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New evidence that two large glaciers in East Antarctica are vulnerable to collapse. Both are losing mass at an unusual rate compared with others that have stronger foundations. The two are seen as capable of adding 16 feet to global sea level if fully collapsed. Eric Rignot, a veteran in this field of research, was a lead author of the study.
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A complete study of the world’s oceans finds very little ‘marine wilderness’ remaining. Only about 13 percent can be given that classification, which is defined as essentially free of human impacts that erode or pollute.
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A new study of ocean acidification foresees major impacts on marine ecosystems. This research was designed around methods revealing true empirical evidence as opposed to many that are more theoretical or have reliance on laboratory experiments. “Our research site is like a time machine. In areas with pre-Industrial levels of CO
2 the coast has an impressive amount of calcified organisms such as corals and oysters. But in areas with present-day average levels of surface seawater CO
2 we found far fewer corals and other calcified life, and so there was less biodiversity. It shows the extensive damage caused by humans due to CO
2 emissions over the past 300 years and unless we can get a grip on reducing CO
2 emissions we will undoubtedly see major degradation of coastal systems worldwide.”
https://phys.org/news/2018-07-ocean-acidification-major-impact-marine.html—–
A report about the global warming trend of Pakistan, home of 200 million people (USA Today). Pakistan is one of the ten countries most adversely affected by climate change, with temperatures that are often unbearable. As for the future, “Pakistan is in a geographic location where average temperatures are predicted to rise faster than elsewhere, increasing 7.2 degrees Fahrenheit (4 degrees Celsius) by the year 2100.”
Carl