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Alumni Spotlight: Elena Belletti Finds Economic Solutions for Environmental Protection
She’s helping countries improve sustainability while achieving their development goals.
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Jessica Haller: Alum, Climate Activist, and City Council Contender
The Environmental Science and Policy alum is running for New York City Council on a platform that emphasizes sustainability, resilience, and equity.
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Alumni Spotlight: Lili Gao, Energy Consultant
An Environmental Science and Policy graduate discusses how the program prepared her for the challenges ahead in her work helping electric and water utilities transform their business.
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Alum Trained and Ready for Climate Action in Any Environment
Since graduating from the Sustainability Management program, Megan Ross has positioned herself for long-term career growth in climate adaptation.
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Alum Becomes Director of Senegal’s National Meteorological Service
Ousmane Ndiaye, an adjunct research scientist at the International Research Institute for Climate and Society, will oversee all matters related to climate services in Senegal.
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Alum Spotlight: Lindsey Walter, Clean Energy Policy Advisor
This graduate of the Sustainable Development undergraduate program develops and advocates for policies that will help get the U.S. to net-zero emissions.
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Alum Works on Embedding Sustainability into Business Operations
Andrea Gomez Vesga works at ABM Industries Inc. as their corporate sustainability manager.
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Sustainable Development Alum Accepted to Attend the UN Youth Climate Summit in New York
Emilie Baliozian was one of 500 hundred young people from around the world selected to attend the summit after demonstrating a commitment to addressing the climate crisis and displaying leadership in advancing solutions.
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How Climate Change Threatens NYC’s Transportation Infrastructure
Environmental Science and Policy alum Susanne DesRoches has testified before Congress on how to build resiliency in roadways and public transit.
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
