A top story about new estimates of how the oceans are being warmed. The principal finding of this work suggests that ” upper oceans hold 24 to 58 percent more heat than most current climate models assumed.” That is a lot! Current heat measurements are quite accurate but those of the past not so much, and past estimates when recalculated are generally found to be low. Another interesting finding: “The researchers found that from two-thirds to 98 percent of the substantial ocean heat gain between 2006 and 2013 took place well south of the equator, where giant gyres drew it down. And half of the gain occurred from 500 to 2,000 meters deep.” This post is loaded with information and it should help you understand what “global warming” really means.
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The damage done by Deepwater Horizon has by no means ended. This rather heartbreaking story can be taken as another grim reminder of the ecological price we pay for our dependence on poisonous fossil fuel, which would be entirely avoidable in a greener world. This accident may have been the worst ever of its kind, but the countless number of lesser accidents all add up with the same type of results. And remember, this is occurring before the fuels that do get produced are finally burned.
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Another tragic story that can be linked to fossil fuels, this time to the results of burning them. Oceans certainly concentrate surface heat in various regions by natural processes, but the amount of heat that is available to concentrate is getting a hefty push as a result of human activity.
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Review of a book about the future of renewable energy. The author, Tony Seba, exhibits a very high level of optimism, largely acquired by favoring the dynamics of exponential growth over the limitations of linear thinking. He provides a number of ideas and projections that may sound fanciful yet seem to stay within the bounds of reason.
How to make water boil more efficiently. This is about a kind of technology you surely have never dreamed of, which is said to triple the efficiency of the boiling process. It uses a method that is cheap and most unusual. One major application would be of great help for concentrating solar power systems that employ steam turbines.
Carl