Gilbert E. Metcalf is the John DiBiaggio Professor of Citizenship and Public Service and Professor of Economics at Tufts University. In addition, he is a Research Associate at the National Bureau of Economic Research and a University Fellow at Resources For The Future. Metcalf's primary research area is in the area of energy and climate change policy. He has extensive government engagement including serving in 2011-12 as the Deputy Assistant Secretary for Environment and Energy at the U.S. Department of Treasury where he was the founding U.S. Board Member for the UN based Green Climate Fund. His book, Paying for Pollution: Why a Carbon Tax is Good for America, was published in 2019. He will give a lecture on the development of hydropower in the Pacific Northwest and the role of hydropower as part of our national climate policy.