State of the Planet

News from the Columbia Climate School

Weather3

  • Climate Services: Global Framework

    Climate Services: Global Framework

    Jerry Lengoasa, Deputy Secretary General of the World Meteorological Organization — How do we bridge the gap between those who have the knowledge and those who don’t, those who have the capacity and those who don’t have the capacity, and the capability?

  • Winter Extremes: So Last Year?

    Winter Extremes: So Last Year?

    What are the odds that this winter will be as snowy as the last two? Climate scientist Jason Smerdon and tree-ring scientist Rosanne D’Arrigo are working on an answer, looking at the long-term history of two important weather patterns—the North Atlantic Oscillation and La Niña state in the tropical Pacific—that similar to last year could…

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • Climate Services: Global Framework

    Climate Services: Global Framework

    Jerry Lengoasa, Deputy Secretary General of the World Meteorological Organization — How do we bridge the gap between those who have the knowledge and those who don’t, those who have the capacity and those who don’t have the capacity, and the capability?

  • Winter Extremes: So Last Year?

    Winter Extremes: So Last Year?

    What are the odds that this winter will be as snowy as the last two? Climate scientist Jason Smerdon and tree-ring scientist Rosanne D’Arrigo are working on an answer, looking at the long-term history of two important weather patterns—the North Atlantic Oscillation and La Niña state in the tropical Pacific—that similar to last year could…