Sharing Economy
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The Sharing Economy Comes to Congress While Plastic Bags Leave New York
Both clothing rental and plastic bag bans are small steps on the long road to sustainable cities and a circular, less environmentally destructive economy.
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Coming Soon To A City Near You: E-Scooters
Shared, dockless electric scooters have taken to the streets of cities across the U.S. Is New York City ground zero for the next e-scooter invasion?
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Alum Launches First-Ever Shared Electric Mopeds in New York City
With his passion for energy and sustainability, Frank Reig, an MPA in Environmental Science and Policy alum, is working to make urban transit “fast, affordable and way more fun.”
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Regulating the Sharing Economy: Uber and Airbnb
In regulating the sharing economy, remember that sharing is an asset for the sustainable city.
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The Sharing Economy is Transforming Sustainability
During a talk on Wednesday, panelists discussed the benefits and challenges of this emerging industry.
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Urban Sustainability and the Sharing Economy
A growing aspect of sustainable urban living is the “sharing economy.” Sharing has always been a part of urban life; we have long shared books in public libraries, nature in parks, and seats on the stoops of row houses. But in the past few years, cities have seen a significant revival and acceleration in sharing…

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

