plastic bags
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Plastic, Paper or Cotton: Which Shopping Bag is Best?
Which bag should an environmentally responsible, health-conscious shopper use during this time of coronavirus?
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How Banning Plastic Bags Could Help New York Mitigate Climate Change
While the plastic bag ban can be good for the environment, the policies need to be carefully considered to ensure its effectiveness.
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You Asked: Do Plastic Bag Bans Work in Developing Nations?
An environmental lawyer tells us about the impact of anti-plastic bag legislation across the world.
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Banning Plastic Bags, Town by Town: a Guide
If you’re already doing your part to reduce, reuse and recycle, what more can you do? Start by thinking bigger, but not too big — one community at a time.
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What You Can Do to Fight Plastic Pollution
Plastic pollution can feel overwhelming, but here are some concrete actions we can all take to make a difference.

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
