Horn of Africa
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Ancient Humans Left Africa to Escape Drying Climate, Says Study
Ancient humans migrated out of Africa to escape a drying climate, says a new study—a finding that contradicts previous suggestions that ancient people were able to leave because a then-wet climate allowed them to cross the generally arid Horn of Africa and Middle East.
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Horn of Africa Drying in Sync With Climate
Study Suggests Worsening Future for Troubled Region
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Somali Drought; Harbinger of Hard Times
For all its problems, Southern California has been a wonderful home for a lot of people over the past 100 or so years. It has nice beaches, good roads, plenty of places to eat, and, for now, a reliable supply of drinking water. Now imagine the L.A. riots had spread across the entire region, plunging…
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
