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Your Choices Matter
The Earth Institute and Emerald Brand recently co-hosted “Your Choices Matter,” a sustainability awareness event at Columbia University’s Alfred Lerner Hall.
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SIPA Students Host Discussion on Climate Change and Divestment
In an event jointly hosted by Columbia Divest for Climate Justice and the SIPA Environmental Coalition, students heard three prominent voices in climate science and action: Professor Maureen Raymo from the Lamont Doherty Earth Observatory, author and activist Bill McKibben and Peggy Shepard, founder and executive director of WE ACT for Environmental Justice.
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Cuomo’s Commitment to Addressing Climate Change
New York State has taken a progressive stand on climate change, pushing for renewable energy development and promising to curb greenhouse gas emissions. On Thursday, Gov. Andrew Cuomo, joined by Vice President Al Gore at Columbia University, announced several new actions to increase New York State’s commitment to fighting climate change.
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How Much Energy Does NYC Waste?
While the New York metropolitan area has been deemed the most wasteful megacity in the world, New York City is considered one of the world’s greenest. But how much energy does New York City waste and what is it doing about it?
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A Sustainable City Would Continue to Keep Cars Out of Times Square
The trade-off between regulating public behavior and free speech can be difficult, but must be taken on if we are to have public space in sustainable cities. Since we need more of these public spaces rather than fewer spaces, the behavior in Times Square is a challenge of governance that must be taken on by…
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Was Hurricane Sandy the 100-Year Event?
Recent research suggests that Sandy may have been much more likely than previously believed.
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From PlaNYC to OneNYC: New York’s Evolving Sustainability Policy
How do we encourage the wealthy to participate in our real estate market without driving out the rest of us? How can the city tax some of the new real estate wealth to provide housing subsidies for working New Yorkers?
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Lessons in Sustainability Policy
On April 7, 2015, the Earth Institute hosted a panel event and reception on ‘Sustainability Policy: Progress and Opportunity.’ Over 170 students, faculty, and local professionals gathered in Low Library to hear a panel of experts speak about sustainability and the role of government. Panelists discussed local-level policy, the role of metrics, and what the…
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Initiative on Extreme Weather and Climate Kick-Off
This week marks the launch of the new Columbia Initiative on Extreme Weather and Climate, a cross-disciplinary collaboration between a variety of centers, research groups and individuals from across Columbia University. The Initiative, led by Adam Sobel, kicked off on Monday evening with a World Leaders Forum panel event in Low Library. Panelists discussed a…

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
