Steven Cohen
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Climate School Experts on Congestion Pricing’s First Year
Three Climate School experts weigh in on the success of New York City’s congestion pricing program.
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Columbia Climate School Experts on What Gives Them Hope in 2026
2025 was a tough year for climate action. Yet our experts see signs of progress on the horizon, and climate solutions within reach.
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MPA-ESP Students Brief Policymakers on Environmental Bills Shaping New York’s Future
In their final briefings, students explored the many ways science can inform policy, from fashion and drinking water to pollinators, animal markets and urban shade.
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NYC’s Composting Rates Are Low. A Sustainability Expert Thinks AI Will Offer a Solution. Eventually.
Steve Cohen, director of Columbia’s M.S. in Sustainability Management program, discusses the present and future of food waste programs in NYC.
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Twenty Years Later: What Lessons Have We Learned From Hurricane Katrina?
As the risk of extreme weather grows, Columbia experts revisit Katrina’s legacy and what it means for future catastrophes.
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Introducing the ‘Food Pod for Humanity’ Podcast
The Food Pod for Humanity podcast explores topics at the intersection of food systems and climate change.
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Q&A: Environmentally Sustainable Growth
In his new book, Professor Steven Cohen offers a positive vision of an environmentally sustainable future and outlines realistic paths toward a renewable resource-based economy.
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2022 Climate News You Should Know
Climate School experts weigh in on the past year’s most noteworthy events and developments within their fields.
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You Asked: Should I Buy Biodegradable Materials If My Trash Just Goes to a Landfill?
Our expert says: It’s better than adding another piece of plastic to the problem.
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
