Research Program on Sustainability Policy and Management
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How Sustainable Are Reusable Cups? A New Tool Aims to Find Out
Columbia Climate School and Closed Loop Partners developed a novel impact assessment tool to calculate the carbon emissions and cost implications of a wide range of single-use and reusable packaging designs.
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Improving Circularity, Social Inclusion, and Biodiversity at the World’s Second Largest Utility
Columbia Climate School’s Research Program on Sustainability Policy and Management is partnering with the global smart energy solutions provider Enel X Global Retail to evaluate its new sustainability improvement initiative.
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Two Years Into COVID-19, the City That Never Sleeps Returns to Waking Up Early
Higher electricity usage in NYC homes reflects the “new normal,” and raises concerns about winter energy costs.
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What the First Earth Day Achieved
And what we can learn from its success.
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The Rise of Cities in the Battle Against Climate Change
Last week, Canada hosted the world’s first climate change summit for urban leaders. It looks like it will have a lasting impact on how we think about and take action on climate change.
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Climate Advisory Panel Disbanded by Trump Is Revived—But Not By the Feds
Columbia University, New York State, and others will host the former Federal Advisory Committee for the National Climate Assessment.
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New York City’s Subways Need Congestion Pricing Now
Charging drivers more could provide much-needed funding for public transit, while reducing traffic and making Manhattan a better place to live and work.
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In China, Making a Fashion Statement
“It costs 20,000 liters of water to produce one kilogram of cotton, which is just enough to produce a pair of jeans,” observed Guo—a stark measure of the importance of incorporating sustainability into fashion enterprises.
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Looking at Climate from All the Angles
The Earth Institute digs into the past, tracks the present and models the future of climate. We explore the broader issues surrounding climate change, seek ways to apply our knowledge to real solutions, and nurture collaboration among faculty and researchers in the natural sciences, social sciences and humanities, law, public health, engineering, architecture and urban…
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
