State of the Planet

News from the Columbia Climate School

Paris Climate Agreement3

  • Climate Denial and Sea Level Rise

    Climate Denial and Sea Level Rise

    The need to adapt to the current impact of climate change is already obvious in many cities and work is already underway to make cities more resilient to extreme weather events. New York City has begun to implement a resiliency plan that will cost at least $20 billion over the next decade.

Rainforest and Columbia campus collage banner with text "UN COP30, Belem, Brazil, Nov 10-21, 2025"

During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • Climate Denial and Sea Level Rise

    Climate Denial and Sea Level Rise

    The need to adapt to the current impact of climate change is already obvious in many cities and work is already underway to make cities more resilient to extreme weather events. New York City has begun to implement a resiliency plan that will cost at least $20 billion over the next decade.