atmosphere
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Trends in Early 21st Century Spaceflight
This multimedia essay explores some of the trends shaping the contemporary aerospace industry.
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Study Identifies Jet-Stream Pattern That Locks in Extreme Winter Cold, Wet Spells
Recently, scientists connected giant waves in the global jet stream to hot, dry spells gripping widely separated parts of the planet at the same time. Now they have done the same for winter weather.
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Glaciers May Record the Story of the Coronavirus Pandemic
Reductions in human emissions and changes in atmospheric composition during the coronavirus pandemic might be observed in future glacial ice cores.
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You Asked: What Determines the Oxygen and CO2 Levels in Our Atmosphere?
An Earth Institute climate researcher breaks down why our atmosphere is the way it is, how it’s changed over time, and what the future may hold.
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
