Jan Esper studied geography at the University of Bonn, where he later earned his doctorate. After a postdoc position at Columbia University in New York City, he continued his work on dendrochronology at the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), and qualified as a professor at the University of Bern. In 2018, Esper became a member of the Academy of Sciences and Literature. Since 2010, he has been a professor at the Department of Geography at Johannes Gutenberg University Mainz.
New Study Supports Evidence That Summer 2023 Was the Hottest in Over 2 Millennia
New Study Supports Evidence , That Summer 2023 Was the , Hottest in Over 2 Millennia.
According to an analysis of tree rings..
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