State of the Planet

News from the Columbia Climate School

rainfall2

  • Tropical Rainfall from Hours to Millennia

    Tropical Rainfall from Hours to Millennia

    Most of Earth’s rainfall occurs in a tropical zonal band that circles the Earth. Understanding how this band will responds to climate change requires us to combine time scales from hours to millennia.

  • In India, Reducing the Dependency on Monsoon Precipitation

    In India, Reducing the Dependency on Monsoon Precipitation

    The Centers for International Projects Trust has undertaken various low cost technological innovations to reduce the amount of water used for the production of rice and wheat in India. Such innovations not only reduce water usage in agriculture but also make farmers less vulnerable to climate variability, especially as it relates to the monsoon season.

Earth Month Graphic Collage: "Our Power, Our Planet - April 2025"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, 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.

  • Tropical Rainfall from Hours to Millennia

    Tropical Rainfall from Hours to Millennia

    Most of Earth’s rainfall occurs in a tropical zonal band that circles the Earth. Understanding how this band will responds to climate change requires us to combine time scales from hours to millennia.

  • In India, Reducing the Dependency on Monsoon Precipitation

    In India, Reducing the Dependency on Monsoon Precipitation

    The Centers for International Projects Trust has undertaken various low cost technological innovations to reduce the amount of water used for the production of rice and wheat in India. Such innovations not only reduce water usage in agriculture but also make farmers less vulnerable to climate variability, especially as it relates to the monsoon season.