ecosystem services2
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Earth: Utilities Included
by Shahid Naeem, Professor of Ecology, Columbia University The day all utilities and service providers stop sending us bills would be a day of unparalleled celebration, with ticker-tape parades for the executives of utilities companies, and the naming of national heroes. Until that day comes, we have Earth Day. Our most vital utilities and services…
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Seeing the Forest and the Trees
Study finds that loss of tree diversity affects the ability of tropical forests to sequester carbon

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