carbon uptake
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Fossil Leaves Show High Atmospheric Carbon Spurred Ancient ‘Global Greening’
Scientists studying leaves from a forest that stood during a warm period 23 million years ago have for the first time linked high levels of atmospheric carbon dioxide with increased plant growth, as well with the high temperatures of the time.
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The Southern Ocean Is Breathing in Carbon Dioxide at a Healthy Rate
“In the last 10 years, we were afraid that the Southern Ocean was going to quit giving us a break from climate change. This study shows that it’s recovered its ability to take up carbon dioxide, and that’s good news.”
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
