science-based decision making
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Climate and COVID as Crises of Environmental Sustainability
Human technology and ingenuity have created a world of comfort, curiosity and creativity. But we have failed to account for their impacts on the systems that sustain the planet and in turn sustain human life.
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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.
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Climate Change and the American Political Agenda
We’ve managed to avoid the topic for decades, but the force of public opinion is finally ending the era of American national climate nondecision-making.
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Toward a National Response to the COVID Catastrophe
Health recovery is a prerequisite for economic recovery.
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Scientific Literacy, Technology and COVID-19
We need a more mature and sophisticated approach to utilizing scientific expertise in decision-making.
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
