How does the University of Wisconsin–Madison compare with the University of Copenhagen for studying sustainability?

The biggest practical tradeoff is that Wisconsin–Madison offers a broad, English-language U.S. undergraduate experience with substantial freedom to combine sustainability with policy, science, economics, or engineering, while the University of Copenhagen places you closer to Denmark’s highly sustainability-focused public sector and European climate-policy ecosystem but has far fewer English-taught bachelor’s options. At Copenhagen, many undergraduate programs are taught in Danish, so language eligibility can determine the choice before academic preferences do. Wisconsin–Madison is therefore the more straightforward option for an English-speaking high school senior seeking a full undergraduate sustainability pathway.

At UW–Madison, the Nelson Institute for Environmental Studies is a major hub for interdisciplinary environmental education and research. You could approach sustainability through Environmental Studies, conservation biology, environmental engineering, agricultural and applied economics, public affairs, geography, or related fields, then build a climate-policy focus through coursework, research, internships, and campus initiatives. Its location also creates useful connections to Wisconsin state government, freshwater and Great Lakes issues, agriculture, energy, and environmental organizations.

The University of Copenhagen has particular strengths in climate science, food systems, biodiversity, green urban development, and sustainability research linked to Denmark and the wider European Union. Studying there can be especially valuable for someone interested in international sustainable development, European environmental regulation, renewable-energy transitions, or how a country integrates sustainability into daily infrastructure and public policy.

For your stated goal, UW–Madison is the stronger overall undergraduate fit unless you are prepared to study in Danish and specifically want a European policy environment from the start. It provides more accessible undergraduate flexibility and a clearer way to test whether your interests lean toward climate policy, environmental science, food systems, or sustainable development before committing to a narrower path.