climate change150
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Warming Climate May Devastate Major U.S. Crops
Study Suggests Tipping Points for Corn, Soybeans, Cotton
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East African Drought Linked to Climate Change?
When African finance and environmental ministers met last month to discuss climate-related challenges to the Millennium Development Goals, East African rains were on the agenda. Millions of Kenyans currently face food shortages as a result of successive failed rains, and periodic droughts cost the region 5-8% of GDP. A look at the climatology reveals that…
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CO2 Higher Today Than Last 2.1 Million Years
Study Offers Detailed Look at Past Greenhouse Gas Levels
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Climate & Terrorism – Linked?
Dennis Blair is a serious man. A retired, four-star admiral with a legendary knack for water skiing behind his warships, the multi-talented Blair currently serves as the Director of National Intelligence (DNI) under President Obama. This position oversees the 16 national intelligence agencies, coordinating their efforts while informing the policy makers – including the President,…
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Climate Change Could Drive Vast Human Migrations
Displacements Already Underway, Says Report
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Adaptive Strategies in Managing Climate Change Risk
With the threat of rising sea level due to thermal expansion (water increases volume as it gets warmer) and melting of land-based ice (such as glaciers and polar ice sheets), coastal cities are planning ways to minimize the impacts of flooding on city infrastructure. The Thames Barrier (pictured) is one such engineering solution. It is…
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IPCC Chief Pachauri Heads Board of Climate-Risk Center
International Research Institute Focuses on Practical Adaptations
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Southern Glaciers Grow Out of Step With North
New Dating Technique Points to Differences Over 7,000 Years
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Periodic Megadroughts Hit West Africa, Says Study
Global Warming Could Worsen Newly Seen Pattern

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