State of the Planet

News from the Columbia Climate School

acid rain

  • Growing Nitrogen Footprint Threatens Our Air, Water and Climate

    Growing Nitrogen Footprint Threatens Our Air, Water and Climate

    Industrial farming in the temperate climates has been seen as the main cause of nitrogen pollution, but tropical agriculture emissions are catching up.

  • The Catskill Watershed: a Story of Sacrifice and Cooperation

    The Catskill Watershed: a Story of Sacrifice and Cooperation

    It has become so easy for us here in NYC to turn on the tap without realizing the hardship, unimaginable sacrifices and money that have allowed us this incredible resource at the mere flick of a finger. We returned to the downstream end of the aqueducts with a newfound appreciation of the hard work we…

  • Why is Your Nitrogen Footprint Important?

    Why is Your Nitrogen Footprint Important?

    While most people today are aware of the importance of reducing their carbon footprint, far fewer understand the harmful effects of nitrogen pollution. Yet many scientists believe that man’s disruption of the natural nitrogen cycle is a potential global tipping point and a serious threat to biodiversity.

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

  • Growing Nitrogen Footprint Threatens Our Air, Water and Climate

    Growing Nitrogen Footprint Threatens Our Air, Water and Climate

    Industrial farming in the temperate climates has been seen as the main cause of nitrogen pollution, but tropical agriculture emissions are catching up.

  • The Catskill Watershed: a Story of Sacrifice and Cooperation

    The Catskill Watershed: a Story of Sacrifice and Cooperation

    It has become so easy for us here in NYC to turn on the tap without realizing the hardship, unimaginable sacrifices and money that have allowed us this incredible resource at the mere flick of a finger. We returned to the downstream end of the aqueducts with a newfound appreciation of the hard work we…

  • Why is Your Nitrogen Footprint Important?

    Why is Your Nitrogen Footprint Important?

    While most people today are aware of the importance of reducing their carbon footprint, far fewer understand the harmful effects of nitrogen pollution. Yet many scientists believe that man’s disruption of the natural nitrogen cycle is a potential global tipping point and a serious threat to biodiversity.