Giant earthquakes caused by iceberg calving in Greenland. (By Chris Mooney in the Washington Post.) The earthquakes provide a way of measuring the actual amount of ice that is being lost, as well as the annual rate. Item: Since the early 1990s the rate has increased by seven times! The forces involved in calving are massive, involving multiple actions and reactions.
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Bill Gates to invest heavily in renewable energy technology. That’s a bit of good news, except that Gates does not believe current technologies are up to the task of doing the job anywhere near as quickly as needed, by which he means the year 2030. His money could no doubt help speed things up, and perhaps his influence on other investors as well.
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New study of the ill effects of natural gas leakage. This report supports the belief that natural gas is not as clean as advertised, and is even comparable to coal with respect to the power of its greenhouse gas emissions, when taking every aspect of the full cycle into account. This is mainly due to excessive leakage of methane both in the field and when distributed, and to the wasteful volume of flaring.
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Wave power update. A project off the coast of Western Australia has achieved 10,000 hours of continuous operation, passing an early test of durability and reliability. Plans have been set for a new installation that will be three times more powerful.
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New paleoclimate study. This may interest those who are familiar with the PETM episode 55 million years ago. (During the PETM global temperatures rose by about 5C in a brief time period, making it the most recent analogue to present-day climate change that researchers can find.) This study mainly relates to explaining puzzling features of how ocean acidification developed as part of the process.