PCBs
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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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GE Agrees to Phase 2 of Hudson River Cleanup
Today the General Electric Company (GE) notified the Environmental Protection Agency (EPA) that it will conduct Phase 2 of the Hudson River cleanup operation and pay for it.
October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.
