circular economy4
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Consumption, Waste and our Changing Lifestyle
We can build our production and consumption around the principles of environmental sustainability.
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What it Will Take to Create a Circular Economy
Building an economy based on reusing and repurposing products will require big transformations. Participants at a recent event outlined concrete steps on how we can move forward.
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Alum Explores the Role of Corporate Sustainability Internationally
Sustainability Management alumna Mitika Bajpai is a corporate sustainability strategist in India.
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After Florence: Improving the Management of Toxic Materials
This is an opportunity to reengineer and reimagine the way toxic materials are managed.
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What Can We Do About the Growing E-waste Problem?
In 2016, the world discarded 49 million tons of electronic waste, yet only 20 percent of it was recycled. Where does e-waste go? And how are we going to deal the growing amounts of it?
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New Class on Circular Economy for Sustainability Professionals
A truly sustainable economy may require fundamentally re-thinking how we make and consume products. A new course delves into the challenges and opportunities of this transformation.
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New York City’s Bag Fee and the Circular Economy
While the reduction and eventual elimination of fossil fuel use is a key element of such an economy, so too are the public policies and public-private partnerships needed to collect and reuse discarded products and packages. Bag bills and bottle bills can help develop these capacities. In most of the United States, these ideas have…
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Zero Waste in San Francisco and New York: A Tale of Two Cities
Each city is different, and New York’s pace, diversity, and size make comparisons to San Francisco difficult. Still, large-scale behavior changes can be achieved with leadership, strategy and creativity.
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Sustainability Has Entered the Political Mainstream
Environmental protection and economic development have been integrated into the single overarching idea of “sustainability.” These are centrist public policy positions in the mainstream of politics here in New York State.
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
