dust
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Iron-Rich Dust From South America Played Role in Last Two Glacial Periods, Says Study
Dust from the land that gets blown into the ocean appears to influence natural climate swings. A new study looks into where much of that dust came from in the past 260,000 years.
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Dust May Beat Black Carbon at Speeding Up Snowmelt in the Himalayas
Tiny dust particles at high altitudes are having a greater effect on snow-darkening than previously thought, accelerating the loss of glaciers.
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Climate Conditions Help Forecast Meningitis Outbreaks
Wind and dust conditions in Sub-Saharan Africa Africa could help predict a meningitis epidemic, according to a new research by NASA GISS and the International Research Institute for Climate and Society.

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
