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…

Colorful banner image over Earth with text "Open House Discover Science, October 19, 2024, 10am to 4pm

Join us on Saturday, October 19, from 10 a.m. to 4 p.m. for the Lamont-Doherty Earth Observatory Open House! Celebrate 75 years of science with us at our beautiful Palisades, NY campus. The event is free and open to everyone, with a suggested $5 donation. Learn More and RSVP

  • 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…