environmental racism
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From ‘Asthma Alley’ to Green Spaces: A Field Trip with South Bronx Unite
MPA-ESP students learned about the complex environmental justice issues at play in the South Bronx, and how community groups are advocating for change.
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Opinion: Why Environmentalists Should Oppose ‘Cop City’ and Defend the Atlanta Forest
A Sustainability Management graduate student discusses questions of environmental injustice in Atlanta, Georgia, as one county prepares to turn a large greenspace into a police training facility.
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Environmental Justice Delayed Has Been Justice Denied
Environmental justice delayed has long been justice denied, but it is never too late to do better.

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
