Jason Bordoff
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Columbia Climate School Leadership Announcement
On July 1, Jeffrey Shaman will become interim dean of the Climate School, continuing the work of co-deans Alex Halliday, Jason Bordoff, Ruth DeFries, and Maureen Raymo, climate leaders who built the School’s strong foundation.
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What Did COP27 Accomplish?
Delegates from Columbia Climate School discuss the achievements and shortfalls of COP27, as well as what took place outside the negotiation room.

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
