More commentary on the warming of surface waters in the Northeastern Pacific, in an area referred to as “the blob.” Because it doesn’t want to go away, and has such profound effects, this phenomenon now ranks very near the top of things we can immediately start to worry about as a major concern tied to global warming. “As the air cycles over the warmer water, it heats up and brings less snow, translating into drier conditions inland.” That doesn’t sound good for relieving California’s drought. Many other implications are described.
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A description of situations that have been responsible for severe droughts in the past. A warming of ocean surface waters is often a prominent factor.
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Ocean acidification: An extreme historical case. Earth’s greatest extinction event, 252 million years ago, was triggered by massive volcanic eruptions that produced extraordinary increases in atmospheric CO2, causing not just temperature gains but severe acidification of the oceans. A research team has found geological evidence of such preserved in rocks from the ocean bottom. It is believed that “acidification was the driving force behind the deadliest phase of the extinction,” which wiped out over 90% of marine species and two-thirds of those on land. We are now headed in that same direction, though with a lesser amount of CO2 release.
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The coal ash problem. Coal ash is a toxic material that is produced in huge quantities and never really goes away. It is a costly nuisance that somehow must be safely stored, which requires someone’s unwanted responsibility. This story makes you wonder how much of it is precariously situated all over the globe. The ash problem is another good reason, not always kept in mind, for setting high priority on the abandonment of coal burning.
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A new way to produce ethanol from plant biomass. By manipulating the genes of a processing microbe a very costly pretreatment step has been eliminated. This report comes from the Department of Energy, saying the process is ready to be engineered at commercial scale. The benefits should be welcomed for many reasons.
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Important new process for producing refrigeration. This work, performed at LSU, involves magnetic structures that eliminate the need for compressors. Large savings of both costs and energy are claimed. Also, the gases currently used for refrigeration have become worrisome because of their addition to the greenhouse problem, whose curtailment would be much desired. We may see some fast tracking efforts made for getting this innovation to market.
Carl