pesticide
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Pesticides and Industrial Pollutants Found in Snow Atop Arctic Glaciers
The long journey of these compounds — likely originating in the United States and Eurasia — points to the near-global reach of industrial and agricultural pollution.
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Is Organic Food Really Better for the Environment?
Recent research suggests it might not be as sustainable as we might think, but it’s complicated.
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The Intensifying Debate Over Genetically Modified Foods
Genetically modified foods contain organisms that have had DNA from a non-related species transferred into their genes via biotechnology to imbue them with specific traits. The debate over whether or not they are safe is intensifying as more GM foods show up in our supermarkets, and the movement to label GM food grows.
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
