State of the Planet

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Wally Broecker: 50 Years of Climate Science Innovation

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Wally Broecker
Wally Broecker

Since arriving at Lamont-Doherty Earth Observatory in 1952, for a college summer internship, Wally Broecker has come up with some of the most important ideas in modern climate science. He was one of the first researchers to recognize the potential for human-influenced climate change, and to testify before Congress about its dangers. He helped pioneer the idea that ocean currents can trigger sudden turnabouts in climate. Today, he is a champion of emerging technology to address global warming by scrubbing carbon dioxide from the air and storing it away.

Broecker has mentored generations of scientists and received some of the most prestigious awards in science, including the National Medal of Science, the Crafoord Prize, the Balzan Prize and the Vetlesen Prize. He has written more than 450 research papers and 10 books. His latest, The Great Ocean Conveyor, explores the link between climate change and ocean circulation.

The Great Ocean Conveyor affects climate by transporting heat around the planet.
The Great Ocean Conveyor affects climate by transporting heat around the planet.

On Friday, April 16, Broecker was honored in a ceremony at Lamont-Doherty Earth Observatory, joined by friends and colleagues including Earth Institute director Jeffrey Sachs and former Columbia University executive vice provost Michael Crow, now president of Arizona State University. The program included a video tribute from former U.S. vice president Al Gore and musical homage from singer Tom Chapin.

Additional links:
Celebrating Wally Broecker’s 50th Anniversary as a Columbia Professor
New Book Explores Link Between Climate and Ocean Currents
Wallace Broecker Wins (Yet Another) Top Prize

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Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

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

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