overfishing
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Sustainability Certification in Aquaculture: Put Your Money Where Your Mouth Is?
Should we certify aquaculture? A look at mounting challenges in the push for sustainable seafood.
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Seeking the Signal in the Noise of Environmental Performance Metrics
The 2012 Environmental Performance Index is a powerful tool for diagnosing trends not just across countries but over time, too. Consider what we can learn about overfishing, for example.
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
