climate change leadership
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Dealing With the U.S. Federal Government’s Failure of Climate Leadership
Joe Manchin, like Donald Trump before him, presents a challenge to all of us to figure out how to achieve greenhouse gas reductions in the absence of U.S. national leadership.
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California’s Continuing Climate Leadership
California deserves our gratitude for again leading the way and providing hope in this most difficult time.
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
