Viewpoints2
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How Sustainable Are Reusable Cups? A New Tool Aims to Find Out
Columbia Climate School and Closed Loop Partners developed a novel impact assessment tool to calculate the carbon emissions and cost implications of a wide range of single-use and reusable packaging designs.
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How Do We Fix the Hellish Heat of the New York City Subway System?
It’s time to treat subway heat like the climate adaptation issue and public health hazard that it is.
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Four Columbia Women Are Reimagining Rice Farming to Tackle Climate Change
Clean Crop is an ambitious startup project that blends policy, economics, sustainability and development.
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Can Tariffs Lead to a More Circular Economy?
While controversial and often politically divisive, tariffs may have the opportunity to shift production and consumption patterns toward sustainability.
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AI and Climate Justice: Balancing Risk With Opportunity
As AI expands its global reach, how can we ensure its just and inclusive use when applied to climate science?
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Rethinking Energy Systems in the Age of AI
To view data centers as mainly energy-intensive off-takers misses their potential as digital and energy infrastructure multipliers.
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What a Year of Climate Research Taught Me About Resilience
High school senior Michelle Rozenfeld reflects on what she learned interning with the National Center for Disaster Preparedness.
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Why the Time To Go Solar Is Now
An open letter to American homeowners on the benefits of installing solar panels.
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A New Way to Rank Countries on Successful Aging
Is there a comprehensive way to define successful aging? Ng Kah Long analyzed existing population indexes before choosing to construct his own.
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
