Climate55
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Dinosaurs Took Over Amid Ice, Not Warmth, Says a New Study of Ancient Mass Extinction
There is new evidence that ancient high latitudes, to which early dinosaurs were largely relegated, regularly froze over, and that the creatures adapted—an apparent key to their later dominance.
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Cultivating Seaweed for Carbon Removal in California: Barriers and Recommendations
Seaweed farms could capture and store carbon emissions. A new paper suggests leasing and permitting changes that could help the industry thrive in California.
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Tropical Cyclones Are Dropping in Number, Study Says
Using historical records and model data, researchers have for the first time shown that the annual number of tropical cyclones dropped during the 20th century compared with the late 19th century.
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Integrating Climate Change, Decarbonization, and Just Transition Considerations Into Extractive Industry Contracts
Suggestions from experts at the Columbia Center on Sustainable Investment.
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Manishka De Mel: Helping People and Ecosystems Adapt to Climate Change
At the Center for Climate Systems Research, she translates information about climate risks to support resilience-building in developing countries.
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Air Pollution and Climate Change Take a Growing Toll on Children’s Health
A new paper cites dozens of studies on how fossil fuel combustion harms kids’ physical and mental health.
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What’s Causing the Devastating Floods in China, India, and Bangladesh?
Climate School experts explain the conditions contributing to heavy downpours that are displacing millions in Asia.
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The Supreme Court and Radical Environmental Deregulation
We may soon see a radical anti-regulatory Supreme Court dismantling well-established regulatory practices and endangering America’s environmental quality.
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How Can We Make Heat Waves Less Deadly?
Though often underestimated, extreme heat is the leading weather-related killer in the U.S.
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
