Clean Air Toolbox for Cities
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Unraveling the Interconnections Between Air Pollutants and Climate Change
Getting rid of some air pollutants might aggravate global warming. Here’s how.
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First Long-term Air Pollution Monitoring in Togo Reveals Concerning Levels
A new study finds that annual air pollution levels in the city of Lomé are, on average, four to five times greater than recommended by the World Health Organization.
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Faye McNeill Combats Air Pollution, From the Molecular to the Global Scale
The first woman to earn tenure in Columbia’s chemical engineering department, McNeill is working for cleaner air in developing countries.
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
