James Hansen’s report on the 2015 temperature record. He has a lot of interesting information, well worth studying. There is a convincing case for 2016 being another year of record warmth, based on what usually happens in a major El Nino cycle. Fig. 3 is very helpful in that respect, relating trends of certain ocean water temperatures to air temperatures that follow, month by month. We can expect another five or six months of high anomalies. There is also a good explanation (just below Fig. 2) of why the past record shows a large temperature bulge around the time of World War II that was probably inaccurate.
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Who pays for the rehabilitation of dying coal mines? This study that was done in Australia shows that the numbers can be very large, and often get passed on to taxpayers. It’s actually a common problem worldwide for all kinds of mines, old wells and waste disposal pits, etc. Regulations are weak and supervision is lax during the operating period, in large part because there is no popular demand for something with no immediate benefit that could raise bills for everyone. So we just hand the burden over to future taxpayers. This phenomenon should always be added to the long list of unmet social costs created by industries of the dirty type, to the detriment of competitors who may be much cleaner.
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The Alberta tar sands business is in real trouble. Some experts think the industry “may well shrink and disappear in the coming decades.” These operations have destroyed roughly 300 square miles of boreal forest and wetland habitat, and there are 70 square miles of toxic tailings ponds that have yet to be cleaned up. Assuming the economic benefits of this enterprise have finally blown over, concerns over rehabilitation will have to be squarely faced by all Canadians, and may well be quite ugly.
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Chile has big plans for producing power from solar energy. The coastal region is ideally situated for both solar harvesting and pumped storage operations that will enable 24-hour service, at an unsubsidized cost fully competitive with coal. The level of ambition is such that, “You could very easily envision a South America in 20-25 years which has an integrated grid all throughout the continent, in which Chile could be providing very cheap, clean electricity with this combination of pump storage and solar power.” That’s the best “climate relief plan” I’ve ever heard of, and just might be doable.
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Texas is being taken over by wind power. Growth, right in the middle of oil country, has indeed been remarkable. This story also gets into the interesting problem of what to do with all the excess energy that is generated late at night, when demand is low and the winds are strongest.
Carl