cs highlights2
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Wildfire Smoke Returns: What to Know About This Week’s Air Quality
Air pollution expert Dan Westervelt discusses this summer’s wildfires and resulting air quality in New York City and beyond.
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New Environmental Performance Index Highlights Sustainability Gains and the Challenges Ahead
The 2026 EPI, produced by Yale and Columbia Climate School, finds that Europe leads in environmental performance but few countries are on track for net-zero by 2050.
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Columbia Climate School and Sciences Po To Launch Dual Degree Focused on Climate Action
Columbia Climate School and the Paris Climate School at Sciences Po are launching a new dual master’s program at the intersection of climate science and ecological governance.
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Extreme Heat Is Here: What Columbia Climate School Experts Want You to Know
As a dangerous early-summer heat wave covers swaths of the globe, Columbia Climate School experts discuss the impacts of extreme heat.
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Climate School Alumni Aim for Sustainability Goals in the 2026 World Cup and Beyond
As the 2026 FIFA World Cup plays out in North America, M.A. in Climate and Society graduates are working behind the scenes to drive sustainability efforts in sporting events.
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June Research Roundup: Select Papers
In this month’s edition of our research roundup, we highlight a new study on African air pollution; deep Earth carbon recycling; and a Pacific cooling mystery.
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New Research Indicates That in the Future, Trees May Store Less Carbon Than Expected
Even as trees photosynthesize late into the year, their growth stops by mid-summer, which impacts their carbon uptake.
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Join Us on May 30 to Celebrate Hudson River World Fish Migration Day
Hosted by scientists and educators at multiple locations along the lower Hudson River Estuary, this event celebrates the vital role played by estuaries in the life cycle of many ocean fish species.
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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?

Columbia Climate School is bringing bold ideas, leading experts, and groundbreaking research to Climate Week NYC. Explore our events, stories, and updates as we help shape the conversation on climate action across New York City.
