Arctic sea ice extent update—the last lap has begun, with just five weeks to go before the 2016 low is reached. The ice is now soft, and would be vulnerable if a big storm sets in, which happens every few years. This year is unlikely to beat the 2012 record low, but should come close just because there is so much heat hanging around.
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The “rain bomb” phenomenon keeps growing. They are happening in many parts of the world. In the case of the US Southeast the cause can be directly tied to the very warm surface waters that exist in both the nearby Gulf of Mexico and the coastal Atlantic. While specific locations are always shifting, there is a general global trend toward extensive patches of these much warmer waters, followed by higher rates of evaporation, as an expected feature of the global warming trend.
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Stratification in deep tropical lakes is a problem tied to longer-term global warming. Scientists have found definitive evidence of the means by which Lake Tanganyika is being progressively ruined.
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What is the real rate of progress in the development of “negative emissions” by geoengineering? This story is a perfect fit for those who pay attention to the views of Kevin Anderson, as recorded in yesterday’s Climate Letter. A group of scientists and engineers at the University of Michigan is researching all practical ways to pull CO2 from the atmosphere on a large scale and within the shortest possible time frame. They are obviously frustrated. “Removing emissions using direct air capture as a large-scale mitigation approach is likely to be more expensive by at least two to three orders of magnitude relative to preventing our emissions in the next 10 years,” Supekar said.
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Advanced research that may lead to much higher solar energy conversion in PV cells. The intriguing part of this story begins with the identity of the leading inventor, Vladimir Fridkin, a Russian physicist. He happens to be the very person who built the world’s first working xerographic photocopier long, long ago, followed by a gaining of world renown for other reasons. The group he works with has ample credentials. Unfortunately, no timeline is given for the steps that are needed to follow this discovery, but it sure sounds like something that will get proper attention.
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Critical opposition to Donald Trump’s stand on science and the environment. It comes from two former EPA administrators who served under presidents Nixon, Reagan and George H.W. Bush. They were behind the creation of the acts and policies that Trump wants to undo, including the EPA itself. Mrs.Clinton could attract the votes of more older Republicans by emphasizing the absolute priority of this issue and easing back a little on the those parts of the progressive agenda that might possibly have less urgency.
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