The outlook for mountain glaciers. In a word, bleak, as the rapid pace of melting continues. A new report is out, based on a new modeling technique, which brings the whole story up to date. One big item is the possibility of adding a foot to sea level by 2100. Impacts on water resources, hydropower and tourist attractions are also discussed.
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Here is a video full of scenes of retreating glaciers, some of them stunning:
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An update on California’s groundwater crisis, from the NY Times. The cause of the crisis is obvious. The real message found in this story is that so far, because groundwater is still available, food prices for the U.S. and around the world have been affected only a little. A much greater impact should be expected soon, whether via new restrictions or just nature’s revenge. Also, it seems that the possibility of eventual complete recovery is being damaged in the depths below as the ground sinks..
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A new report on extreme weather events in the U.S. The main story is that the annual number of such events is in fact rising, at a pretty good clip. This is consistent with longstanding predictions made by climate scientists, as an expected consequence of global warming.
Much more information is available in the main report, available at this link, including details of the eight qualifying events of 2014.
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Tracking Arctic sea ice extent. There is always considerable interest in the prospect of a new record low happening each year in September. The last such year was 2012, before that 2007. This year has set a modern record for the lowest maximum in March. Now the regular period of rapid decline is just getting underway, and you may find it interesting to follow the race to the bottom as it unfolds daily, so hang on to this link. It provides the perfect way to keep track as well as to check out the past history for every year since 1979. “Our year” looks like it is tied for the lead with 2007, but it’s still early and plenty of wobbling around can be expected. Wind conditions always play a crucially important role.
Carl