Steven Cohen
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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.
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What Is Decarbonization, and How Do We Make It Happen?
To keep the planet from warming more than 1.5°C above pre-industrial levels, economies must rapidly decarbonize. What will this involve?
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Are Wind and Solar Power Really More Expensive and Less Reliable?
Recent technological advancements and an evolving market challenge these old myths.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
