More evidence of the link between global warming and extreme weather events. Top scientists like Kevin Trenberth are giving this subject a lot of attention, and are coming up with some new arguments. An extra push in the weather can often be identified from specific abnormal circumstances that are clearly heat-related.
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A new report on the extinction problem. This was composed as a joint effort from three U.S. universities. The extinction rate is calculated at just over 100 times that of normal conditions, which is not as rapid as estimated in some earlier studies, but these authors believe “….humans could be among the first casualties.” There is still much guesswork involved in these studies but the basic idea of a sixth major extinction seems inescapable.
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The prospect of global food shortages should be our greatest near-term worry. This study describes what could happen to food supplies without a major change of policies aimed at the deteriorating climate, over a time interval of just 25 years. The study refers to a lengthy report issued by Lloyds of London, which should give the forecast a good boost in credibility. (A link to that report can be found within the post.)
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Offshore wind for half the cost of nuclear power. A detailed report featuring projects in Denmark and the UK, as the cost of wind keeps dropping. The case for using nuclear power as an expedient alternative to coal keeps getting weaker, not just in terms of cost but also based on differences in the time involved for getting the implements up and running.
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Solar energy costs are also heading lower. This is a report from the CEO of First Solar, who tosses out figures like 4 to 5 cents per kwh. Following another rate increase, my own most recent electric bill—from a reputedly “low-cost” traditional utility—came in at 15 cents per kwh.
Carl