Before joining the University of Vermont in 2002 he was assistant professor in the Department of Economics at Rensselaer Polytechnic Institute in Troy, New York, US.

He is past president of the U.S. Society for Ecological Economics and the Adirondack Research Consortium; past editor of the Adirondack Journal of Environmental Studies; has served on boards of the International Society for Ecological Economics and Conservation and Research Foundation; was a member of the Technical Advisory Committee of the Lake Champlain Basin Program and the Vermont Governor's Council on Energy and the Environment.

[3] Erickson is also a social entrepreneur, starting and incorporating a number of non-governmental organizations and working intently at the science to policy interface.

[4][5] Bloom is a four-part PBS series on the causes and solutions to water pollution and eutrophication in America's rivers and lakes, narrated by Academy award-winning actor Chris Cooper, and including interviews with environmental scholars Bill McKibben, Maude Barlow and John Todd.

[6] His latest film collaboration was writing and directing Waking the Sleeping Giant with Jacob Smith, an award-winning, feature-length documentary on the 2016 presidential campaign of Senator Bernie Sanders.