State of the Planet

News from the Columbia Climate School

water conservation

  • How Road Salt Harms the Environment

    How Road Salt Harms the Environment

    Recent research indicates that salt is accumulating in the environment and poses an emerging threat both to ecosystems and human health.

  • In Jharkhand, Using an Old Technique for Sustainable Water

    In Jharkhand, Using an Old Technique for Sustainable Water

    The Indian state of Jharkhand has plentiful rainfall, but most of that water runs off before it can be put to use by farmers, who struggle to make a living. To help improve irrigation and crop productivity, the Centers for International Projects Trust and Ranchi’s Birsa Agricultural University turned to a simple traditional technology, “dobhas,”…

Banner featuring a collage of extreme heat images.

Recent record-breaking heat waves have affected communities across the world. The Extreme Heat Workshop will bring together researchers and practitioners to advance the state of knowledge, identify community needs, and develop a framework for evaluating risks with a focus on climate justice. Register by June 15

  • How Road Salt Harms the Environment

    How Road Salt Harms the Environment

    Recent research indicates that salt is accumulating in the environment and poses an emerging threat both to ecosystems and human health.

  • In Jharkhand, Using an Old Technique for Sustainable Water

    In Jharkhand, Using an Old Technique for Sustainable Water

    The Indian state of Jharkhand has plentiful rainfall, but most of that water runs off before it can be put to use by farmers, who struggle to make a living. To help improve irrigation and crop productivity, the Centers for International Projects Trust and Ranchi’s Birsa Agricultural University turned to a simple traditional technology, “dobhas,”…