New York City5
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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.
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New Tools Track Action on Climate Laws in New York State and NYC
The trackers will help to hold officials accountable for meeting important climate deadlines.
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New York City Will Be Back
When this crisis ends, we will be transformed in ways we cannot predict. But the one prediction I can and will make is that yes, we will be back.

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
