Her expertise lies in the areas of climate change and security, global environmental politics, and international relations. She recently concluded a fellowship at Goucher College as the Visiting Mellon Scholar for Environmental Studies. Chalecki has published over 20 books, articles, and book chapters on diverse topics such as climate change and Arctic security, environmental terrorism, climate change and international law, public perceptions of environmental issues, and water in outer space. She has also taught at Boston College, Boston University, California State University – Hayward and the Monterey Institute of International Studies, and worked for the Pacific Institute, Environment Canada, the U.S. Department of Commerce, and the Brookings Institution. She holds a Ph.D. in International Relations from the Fletcher School of Law & Diplomacy at Tufts University, and an M.Sc. in Environmental Geography from the University of Toronto.