Lisa Sachs
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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.
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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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Powering the Future: Innovative Renewable Energy Projects Around the World
Take a virtual tour of some remarkable renewable energy projects from around the globe, each showcasing innovative technology, ambitious scale, and a commitment to a cleaner, more sustainable future.
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
