solid waste management
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We Need to Advance Solid Waste Technology
To implement a true circular economy, we need to systematically and automatically reuse most of the material placed in our trash bags.
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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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Recycling in the U.S. Is Broken. How Do We Fix It?
Most of what you put into the recycling bin doesn’t actually get recycled. Here’s why — and how we can do better.
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SUMA Net Impact Turns Students Into Sustainability Consultants
A matchmaking program pairs Sustainability Management students with industry leaders aspiring to make positive changes.
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Cities: the Vanguard Against Climate Change
Cities are leading the fight against climate change. Here’s what some of the most forward-looking ones are doing.
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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.
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
