State of the Planet

News from the Columbia Climate School

congestion

  • Congestion Pricing is Nearly Here

    Congestion Pricing is Nearly Here

    It is indeed ironic that Democratic New Jersey Governor Phil Murphy, Republican Representative Nicole Malliotakis from Staten Island, and Democratic Representative Josh Gottheimer from New Jersey all share intense opposition to congestion pricing south of 60th street in Manhattan.

  • Data Dive: NYC Traffic Trends, Street Safety and Public Health

    Data Dive: NYC Traffic Trends, Street Safety and Public Health

    Professor Peter Muennig discusses the state of New York City’s streets, and what could be done to make them safer.

  • The End of Traffic: Goals of an Ecopreneur

    The End of Traffic: Goals of an Ecopreneur

    Savraj Singh Danjal, an ecopreneur based in New Jersey, has some practical solutions for your home energy bill — and for traffic, congestion, your view of the night sky, and how to keep your coffee warm.

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

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

  • Congestion Pricing is Nearly Here

    Congestion Pricing is Nearly Here

    It is indeed ironic that Democratic New Jersey Governor Phil Murphy, Republican Representative Nicole Malliotakis from Staten Island, and Democratic Representative Josh Gottheimer from New Jersey all share intense opposition to congestion pricing south of 60th street in Manhattan.

  • Data Dive: NYC Traffic Trends, Street Safety and Public Health

    Data Dive: NYC Traffic Trends, Street Safety and Public Health

    Professor Peter Muennig discusses the state of New York City’s streets, and what could be done to make them safer.

  • The End of Traffic: Goals of an Ecopreneur

    The End of Traffic: Goals of an Ecopreneur

    Savraj Singh Danjal, an ecopreneur based in New Jersey, has some practical solutions for your home energy bill — and for traffic, congestion, your view of the night sky, and how to keep your coffee warm.