Don’s work in public outreach, teacher education, teacher professional development and curriculum materials development marries deep understandings of how people learn with deep understandings of the Earth system. He is a past president of the National Association of Geoscience Teachers, and a nationally regarded expert in climate and energy education, place-based and technology-rich Earth and environmental science education. He has led educator professional development programming throughout the US.

He also is co-author of the books, The Teacher-Friendly Guide to Climate Change and The Science Beneath the Surface: A Very Short Guide to the Marcellus Shale. He served on the Earth & Space Science Design Team for the National Research Council’s A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas. Don has taught at Colgate, Cornell, and Michigan State Universities, the University at Buffalo, Kalamazoo College, and Tapestry and Norwich (New York) High Schools.