climate tech
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Expanding Global Cold Chains: Effective Adaptation, or Dangerous Contribution to Climate Change?
Cooling technologies, including refrigerators and industrial chillers, can prevent food waste and are increasingly necessary in our warming climate. Are there ways to minimize their climate impacts?
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Layoffs in Big Tech Are an Opportunity to Tackle Climate Change
Anyone working in tech already has the skills to help solve our generation’s biggest challenge.

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
