Mailman School of Public Health6
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Battling ‘the Largest Mass Poisoning in History’
As many as one in five deaths in Bangladesh may be tied to naturally occurring arsenic in the drinking water; it is the epicenter of a worldwide problem that is affecting tens of millions of people. For two decades, health specialists and earth scientists from Columbia University have been trying to understand the problem, and…
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Is City Biking Hazardous to Your Health?
As more and more people take to biking in the city, a new study will look at how much pollution bikers are exposed to, and what effects it might be having on their health.
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Website Maps the Flu, and Predicts Its Progress
Infectious disease experts at Columbia’s Mailman School of Public Health have launched a website that reports weekly predictions for rates of seasonal influenza in 94 cities in the United States.
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Heat-Related Deaths in Manhattan Projected to Rise
Killing Season May Push Into Spring and Fall, Says Study
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This Week’s Forecast: Sunny with a 40 Percent Chance of Flu
New computer model takes a page from weather forecasting to predict regional peaks in influenza outbreaks.
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“Wash your hands!” and Other Advice for Undergraduate Students from Columbia Graduate Students
Ph.D. students delving deep into some of the world’s complex sustainability issues offered advice to current undergraduates interested in pursuing their own research questions.

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More



