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My name's Ethan. I work in the field of atmospheric science—that's climate and weather, whether on Earth or another planet. My job includes a great deal of programming, so I also work on open source software development in my free time. Some of this development work is related to a growing interest of mine: volunteer-contributed geospatial information in OpenStreetMap. Please take a look around at some of my software projects, teaching activities, and mapping interests.