New York City5
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Protecting New York City from the Impact of Climate Change
The climate crisis and the extreme weather it brings will get worse before it gets better, and New York City’s very survival depends on our ability to finally respond to the climate adaptation crisis before us.
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Study Maps Urban Heat Islands With Focus on Environmental Justice
A new collaborative project is heat-mapping parts of New York City with a focus on improving health outcomes and addressing long-standing environmental justice issues.
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New York City’s Hidden Old-Growth Forests
Scientists are uncovering centuries of climate data and human history from giant old timbers saved from demolished structures.
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Governing New York City
It would be terrific if the next mayor leveled with us and recruited all New Yorkers to be part of a real effort at community building. Perhaps we might finally respond to this tale of two cities, and lift all of the city’s children out of poverty.
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It’s Time to Invest in New York City’s Parks
The Biden administration is gearing up for a major effort to rebuild our old and decaying infrastructure: to invest in the economic well-being of all Americans. Let’s make sure New York’s parks are included.
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New York City’s Trash Dilemmas — and Opportunities
A conversation with Professor Steven Cohen on how to make New York City’s waste management less noxious and more equitable.
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The Next New York City
If we are successful in modernizing our economy and greening our infrastructure, and if we do this in a way that expands opportunity, then New York City should seamlessly regain its symbolic and actual place in our economy and in our consciousness.
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Reviving New York City
My hope is that when we elect our new mayor during the June Democratic primary, we elect a leader who is ready to ask all of us “not what New York City can do for us, but what we can do for New York City.”
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Remembering the Honorable David Dinkins
David Dinkins made us stronger, but he also made us and our city better, and we should honor his memory in this difficult time by rededicating ourselves to public service.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
