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14 February 2021
Under a White Sky, by Elizabeth Kolbert
Elizabeth Kolbert’s third book is now out! Under a White Sky is “a book about people trying to solve problems created by people trying to solve problems.” These problems are environmental problems – they are instances of nature becoming less natural. As humans build cities and plant crops and make waste, we alter the world we live on, the ecology we live within. In Kolbert’s previous book, the Pulitzer Prize-winning …
8 March 2010
When the Sturtian happened
Last Friday, I spent the evening riding up to New York on a bus. To pass the time, I had my iPod and a new paper by Francis Macdonald and colleagues in Science. The paper examines the timing of one of the episodes of “Snowball Earth” glaciation. There’s some important new data in this paper, and it helps constrain the “Sturtian” glaciation in time. So here’s the deal with Precambrian …
Video on carbon sequestration in Oman ophiolite
http://www.whoi.edu/oceanus/viewArticle.do?id=61206 (from one of the Skepchicks)
Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.