circular economy3
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Mining Garbage and the Circular Economy
The construction of waste management and material mining facilities is essential for the development of a circular economy, and the evolution toward a circular economy is a prerequisite for sustainable cities.
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Building an American Political Consensus Behind Environmental Sustainability
Economic modernization is how we can and hopefully will build an American political consensus behind environmental sustainability.
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The Necessity of Recycling
Without recycling, there can be no circular economy. Without a circular economy, we cannot build environmentally sustainable cities. Without sustainable cities, we’d better start looking for another planet.
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Why Fashion Needs to Be More Sustainable
As the world re-opens, it’s a good time to take stock of the implications of how we dress.
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The Role of Individual Responsibility in the Transition to Environmental Sustainability
The path to environmental sustainability is long and winding and will require decades of listening and learning from each other.
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Environmental Science and Policy Students Win Third Place in Sustainable Fashion Competition
The team invented a hypothetical denim brand that centers sustainability and reusability.
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Fixing Our Broken Relationship with ‘Stuff’: A Q&A With Sandra Goldmark
The author of the book “Fixation” delves into our complex relationship with consumption, and gives practical advice on how to make it healthier.
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Green Friday: How to Balance Shopping and Sustainability
In her new book, sustainability expert and moonlighting repairperson Sandra Goldmark explains how individuals, businesses, and policy makers can build an economy centered on care for all that we have.
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Sustainable Development Undergrads Win Third Place In Circular Economy Competition
The Columbia team impressed retail executives and economic experts with its idea for a company that reuses and repurposes discarded furniture.
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
