Climate183
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The Sustainable City
By concentrating human population in cities, we will make it possible to preserve land for wilderness, ecosystem maintenance and agriculture. People will travel to these places and will experience nature, but only a fortunate few will live close to nature.
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Fast-Building Storms Play Key Role in Tropical Cyclone Risk
In studying climate and tropical cyclones, researchers find a weather phenomenon at play.
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Setting Off for Two Months at Sea
Sidney Hemming and the scientists aboard the JOIDES Resolution conduct the final preparations for their research cruise off southern Africa and introduce a girls’ school group from Mauritius to science at sea.
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El Niño and Global Warming—What’s the Connection?
The United Nations has declared 2015 the hottest year since record keeping began. It was also a year marked by the occurrence of a “super” El Niño. Are the warming temperatures and El Niño connected?
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Without the Montreal Protocol, More Intense Tropical Cyclones
Using one of the most advanced atmospheric computer models available, scientists compared our expected future with a scenario in which ozone-depleting substances had never been regulated.
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A New Global Team Tracks Temperature Change Through Time
A new international consortium of scientists is bringing the history of temperature fluctuations across the entire Northern Hemisphere to life.
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A Prize-Winner Explains His Work
Nicolás Young studies glaciers and ice sheets, and how they’ve changed in the past. His work earned him the Blavatnik Award for Young Scientists last fall, which came with a $30,000 prize. You can hear him talk about his research in this new video, produced by the Blavatnik Family Foundation.
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Uncovering the Stories of Southern Africa’s Climate Past
Sidney Hemming is preparing to spend two months at sea studying global ocean circulation and southern Africa’s climate variability over the past 5 million years.
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With Climate, Fertilizing Oceans Could be Zero-Sum Game
In Pacific, Added Iron May Not Pull Carbon From Air as Thought
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