Lisa Sachs
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How Do We Make COP32 Deliver on Climate Goals?
As COP31 and COP32 approach, a Climate Week panel brought together climate leaders to discuss how the world can turn Paris promises into action.
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How Ethiopia Can Make COP32 the Summit That Actually Delivers
Lisa Sachs believes Ethiopia and the African Union can make the 2027 COP more effective by focusing on scalable plans for energy systems, finance reform, food security and nature restoration.
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The Paradox of AI and Climate
AI is a two-sided coin, with tremendous potential to benefit the environment while also requiring an immense amount of water and energy. How will these two opposing dynamics balance out—or can they?
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Congratulations to the 2026 Graduates of the Columbia Climate School
On May 15, M.A. in Climate and Society and M.S. in Climate Finance students gathered to celebrate their accomplishments.
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Climate Finance Has Failed Africa Twice Over. Here’s How To Fix It.
Credit-rating methodologies must stop treating poverty as a self-fulfilling proxy for default risk.
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Columbia Climate School Experts on What Gives Them Hope in 2026
2025 was a tough year for climate action. Yet our experts see signs of progress on the horizon, and climate solutions within reach.
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Science for the Planet: Financing Sustainable Development
Meet Lisa Sachs—a lawyer who specializes in how public and private investment can help achieve environmental, social and economic goals.
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Climate Finance Student Chimi Dorji Hopes to Represent the Global South on the World Stage
A recipient of the Stanley Park Climate Finance Scholarship, Chimi Dorji has spent the last seven years working on climate action, environmental conservation and community development in Bhutan.
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Canada Pledges $15 Million for Climate Adaptation in Hindu Kush Himalayan Region
In partnership with a local NGO, Canada will finance climate adaptation projects throughout Nepal, Bhutan and Bangladesh.
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
