The deadly effects of extreme heat are suddenly getting a high level of renewed attention. Events in the American Southwest provide a preview of what life in the future will be like on more days for more people.
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A new study concerns the effects that climate change has on lakes. Excessive warming of the surface water can disrupt the natural mixing that should occur with cold deep water, with stratification and dead zones as a result. Algae blooms are also discussed.
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John Abraham discusses new information about the magnitude of warming of the world’s oceans. How to measure it has always been a problem, finally resolved in just the last ten years. The reportedly rapid and accelerating pace of warming has now been confirmed. Abraham reminds us that “global warming” is really “ocean warming,” more important than air temperature because of the high quantity of heat that is continually being stored in the ocean depths.
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More than half of America’s nuclear reactors are losing money. Their power s sold into open markets where it can no longer compete on price. Shutting them down would remove a large source of emission-free power and also put extraordinary pressure on electricity markets, thus creating arguments that favor the provision of subsidies in order to keep them alive. “How regulators confront this widespread challenge has massive implications.”
–Also, the nuclear power industry has financial problems all over the world that threaten its survival:
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Book review: “Energy and Civilization: a History,” by Vaclav Smil. The 550-page tome is described as “a thorough guide to the role of energy conversions in human history to date.” The review alone provides much that is worth knowing and thinking about. One key point is that adding more and more use of energy to a particular civilization is demonstrated to have diminishing returns with respect to material development.
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What the ultimate wind turbine might look like. Still in the conceptual design stage, this one would be taller than the Empire State Building, and located far offshore. It is based on the underlying principle that “if blade length doubles, a system can produce four times as much energy” plus the normally great strength of high altitude offshore winds. Many of its features are unusual.
Carl