State of the Planet

News from the Columbia Climate School

wastewater treatment

  • Cleaning Up New York City’s Waters and Beyond: Q&A with Kartik Chandran

    Cleaning Up New York City’s Waters and Beyond: Q&A with Kartik Chandran

    Kartik Chandran, an environmental engineer at Columbia, will discuss some of his urban wastewater treatment projects at a panel discussion Friday following the screening of a new film about Rio de Janeiro’s Guanabara Bay.

  • #100. Taking a Fresh Look at Five Issues

    #100. Taking a Fresh Look at Five Issues

    This is the 100th blog I’ve written for the State of the Planet. It seemed like a good occasion to take a look at my five most popular blogs to see what has changed in the years since they were written. Is the news better or worse for seawater greenhouses, plastic pollution, turning wastewater into…

Composite banner with modern building at night and portrait of Dean Alexis Abramson that reads "Science for the Planet"

By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings

  • Cleaning Up New York City’s Waters and Beyond: Q&A with Kartik Chandran

    Cleaning Up New York City’s Waters and Beyond: Q&A with Kartik Chandran

    Kartik Chandran, an environmental engineer at Columbia, will discuss some of his urban wastewater treatment projects at a panel discussion Friday following the screening of a new film about Rio de Janeiro’s Guanabara Bay.

  • #100. Taking a Fresh Look at Five Issues

    #100. Taking a Fresh Look at Five Issues

    This is the 100th blog I’ve written for the State of the Planet. It seemed like a good occasion to take a look at my five most popular blogs to see what has changed in the years since they were written. Is the news better or worse for seawater greenhouses, plastic pollution, turning wastewater into…