State of the Planet

News from the Columbia Climate School

Urbanization21

  • Newtown Creek Clean-Up Polluting the Air, Researchers Say

    Newtown Creek Clean-Up Polluting the Air, Researchers Say

    A city effort to clean-up polluted Newtown Creek by aerating the water to boost oxygen levels is having an unintended effect: it is releasing sewage bacteria and other particles into the air above the site, researchers say in a new study in the journal Environmental Science and Technology. The researchers found bacteria types in the…

  • Rio 2016 Olympics: Another Reason to Watch Brazil’s Rise

    Rio 2016 Olympics: Another Reason to Watch Brazil’s Rise

    If public-private partnerships are essential to successfully carrying out the Olympics and using it to catalyze positive change for the host city, then Rio could have an important advantage for hosting the games in 2016.

  • What’s Holding Water Conservation Back in Rockland County?

    What’s Holding Water Conservation Back in Rockland County?

    Rockland County’s main water provider, United Water NY, wants to build a treatment plant on the Hudson River that would deliver more freshwater to Rockland taps. As the project awaits state approval, a new debate on water consumption has emerged. Should people be encouraged, or even required, to use less? And if so, how?

  • London Olympics: How the Games Help Urban Development

    London Olympics: How the Games Help Urban Development

    The Olympics symbolize unity and friendship: The whole world comes together for the Games, playing by the same rules, honoring the same Olympian spirit of excellence and fair play. But today’s Olympics are notable for another type of collaboration—between the public and private sectors.

  • Cities Are Where the Action Is, Post-Rio

    Cities Are Where the Action Is, Post-Rio

    Representatives of the worlds’ cities came to Rio in June for a series of events focused on the problems pressing in on the burgeoning urban population. Mayors around the world already are working on solutions and came out of Rio with concrete commitments for the future.

  • Household Survey in Kenya Lays Groundwork for Fight Against Poverty

    Household Survey in Kenya Lays Groundwork for Fight Against Poverty

    A new survey conducted in three informal settlements in Kisumu, Kenya, examined poverty at the household level, gleaning information on the quality of life experienced by individuals living in such settlements. A follow-up workshop gave researchers a chance to share the information with local residents and hear their thoughts on the needs of poor neighborhoods.

  • Building “Bloom & Bud,” An Educational Garden in Kisumu, Kenya

    Building “Bloom & Bud,” An Educational Garden in Kisumu, Kenya

    The following is a guest blog, authored by Meagan HoChing, a Harvard University student and volunteer with the Millennium Cities Initiative. I have recently had the absolute pleasure of spending two weeks in beautiful Kisumu, Kenya. I am working with two other students to perfect what we would like to call “Bloom and Bud,” which…

  • A Faustian Choice: Population and Environment

    A Faustian Choice: Population and Environment

    Population growth is a key contributor to the pressures pushing at our planetary boundaries. In Rio+20 discussions, implications of population growth have become shrouded in platitudes. It is important that discussions on planetary limits clearly lay out possible strategies that can alleviate these pressures.

  • Goals for Rio: A Path to Sustainability

    Goals for Rio: A Path to Sustainability

    In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.

  • Newtown Creek Clean-Up Polluting the Air, Researchers Say

    Newtown Creek Clean-Up Polluting the Air, Researchers Say

    A city effort to clean-up polluted Newtown Creek by aerating the water to boost oxygen levels is having an unintended effect: it is releasing sewage bacteria and other particles into the air above the site, researchers say in a new study in the journal Environmental Science and Technology. The researchers found bacteria types in the…

  • Rio 2016 Olympics: Another Reason to Watch Brazil’s Rise

    Rio 2016 Olympics: Another Reason to Watch Brazil’s Rise

    If public-private partnerships are essential to successfully carrying out the Olympics and using it to catalyze positive change for the host city, then Rio could have an important advantage for hosting the games in 2016.

  • What’s Holding Water Conservation Back in Rockland County?

    What’s Holding Water Conservation Back in Rockland County?

    Rockland County’s main water provider, United Water NY, wants to build a treatment plant on the Hudson River that would deliver more freshwater to Rockland taps. As the project awaits state approval, a new debate on water consumption has emerged. Should people be encouraged, or even required, to use less? And if so, how?

  • London Olympics: How the Games Help Urban Development

    London Olympics: How the Games Help Urban Development

    The Olympics symbolize unity and friendship: The whole world comes together for the Games, playing by the same rules, honoring the same Olympian spirit of excellence and fair play. But today’s Olympics are notable for another type of collaboration—between the public and private sectors.

  • Cities Are Where the Action Is, Post-Rio

    Cities Are Where the Action Is, Post-Rio

    Representatives of the worlds’ cities came to Rio in June for a series of events focused on the problems pressing in on the burgeoning urban population. Mayors around the world already are working on solutions and came out of Rio with concrete commitments for the future.

  • Household Survey in Kenya Lays Groundwork for Fight Against Poverty

    Household Survey in Kenya Lays Groundwork for Fight Against Poverty

    A new survey conducted in three informal settlements in Kisumu, Kenya, examined poverty at the household level, gleaning information on the quality of life experienced by individuals living in such settlements. A follow-up workshop gave researchers a chance to share the information with local residents and hear their thoughts on the needs of poor neighborhoods.

  • Building “Bloom & Bud,” An Educational Garden in Kisumu, Kenya

    Building “Bloom & Bud,” An Educational Garden in Kisumu, Kenya

    The following is a guest blog, authored by Meagan HoChing, a Harvard University student and volunteer with the Millennium Cities Initiative. I have recently had the absolute pleasure of spending two weeks in beautiful Kisumu, Kenya. I am working with two other students to perfect what we would like to call “Bloom and Bud,” which…

  • A Faustian Choice: Population and Environment

    A Faustian Choice: Population and Environment

    Population growth is a key contributor to the pressures pushing at our planetary boundaries. In Rio+20 discussions, implications of population growth have become shrouded in platitudes. It is important that discussions on planetary limits clearly lay out possible strategies that can alleviate these pressures.

  • Goals for Rio: A Path to Sustainability

    Goals for Rio: A Path to Sustainability

    In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.