Viewpoints4
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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.
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Why Sustainability Matters in Marathons
An M.S. in Sustainability Science graduate reflects on the pros and cons of running marathons—for people and the planet.

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
