State of the Planet

News from the Columbia Climate School

urban planning3

  • New York Roofs: Brighter, Whiter, Cooler

    New York Roofs: Brighter, Whiter, Cooler

    The results are in for the first study to systematically measure the effects of the city’s fledgling effort to introduce more reflective rooftops in order to reduce cooling costs and the overall heat burden on the city.

  • Major Spatial Data Collection Released

    Major Spatial Data Collection Released

    Urbanization poses both challenges and opportunities for sustainable development and environmental management. Improved data on patterns of human settlement and trends in population can help researchers and policy makers better understand differences between urban and rural areas in terms of their impacts on the environment and vulnerability to environmental variability and change. The newly released…

  • Report from the Field: The Tro-Tro – An Essential Mode of Transport in Accra, Ghana

    Report from the Field: The Tro-Tro – An Essential Mode of Transport in Accra, Ghana

    The following is a guest blog, authored by Victoria Okoye, a Millennium Cities Initiative researcher, who has been investigating urban transportation issues in Accra, Ghana. Researching urban transport in Accra, Ghana, this summer on behalf of the Accra Metropolitan Assembly and the Millennium Cities Initiative, I learned a lot about the city’s most well-known, loved,…

  • Columbia Planning Seminar on Accra, Ghana, Sparks Ideas to Further the City’s Development

    Accra, Ghana, MCI’s newest Millennium City, presents a unique set of challenges in its quest to attain the Millennium Development Goals by 2015. With a population of well over three million, Accra has had to deal with public sector challenges typical of many urban areas in sub-Saharan Africa, including finding solutions to the many pressing…

  • Mayor of Accra, Ghana, Speaks to City’s Challenges During Visit to the Earth Institute

    The Millennium Cities Initiative (MCI) and the Earth Institute (EI) were honored to host Accra Mayor Alfred Vanderpuije this week, for a series of lectures and meetings focused on Ghana’s capital. Mayor Vanderpuije met twice with the leadership of the MCI Accra team – Professor Patricia Culligan, Vice-Dean of the School of Engineering and Applied…

  • The Heat is On: Can Mass Transit Adapt?

    Even on a sunny day, nearly 13 million gallons of water are pumped from New York City subways. As global warming brings rising sea levels and stormier weather, more flooding is expected for New York’s transit system. To adapt, the Metropolitan Transportation Authority needs to develop a master plan that lays out the costs of…

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

  • New York Roofs: Brighter, Whiter, Cooler

    New York Roofs: Brighter, Whiter, Cooler

    The results are in for the first study to systematically measure the effects of the city’s fledgling effort to introduce more reflective rooftops in order to reduce cooling costs and the overall heat burden on the city.

  • Major Spatial Data Collection Released

    Major Spatial Data Collection Released

    Urbanization poses both challenges and opportunities for sustainable development and environmental management. Improved data on patterns of human settlement and trends in population can help researchers and policy makers better understand differences between urban and rural areas in terms of their impacts on the environment and vulnerability to environmental variability and change. The newly released…

  • Report from the Field: The Tro-Tro – An Essential Mode of Transport in Accra, Ghana

    Report from the Field: The Tro-Tro – An Essential Mode of Transport in Accra, Ghana

    The following is a guest blog, authored by Victoria Okoye, a Millennium Cities Initiative researcher, who has been investigating urban transportation issues in Accra, Ghana. Researching urban transport in Accra, Ghana, this summer on behalf of the Accra Metropolitan Assembly and the Millennium Cities Initiative, I learned a lot about the city’s most well-known, loved,…

  • Columbia Planning Seminar on Accra, Ghana, Sparks Ideas to Further the City’s Development

    Accra, Ghana, MCI’s newest Millennium City, presents a unique set of challenges in its quest to attain the Millennium Development Goals by 2015. With a population of well over three million, Accra has had to deal with public sector challenges typical of many urban areas in sub-Saharan Africa, including finding solutions to the many pressing…

  • Mayor of Accra, Ghana, Speaks to City’s Challenges During Visit to the Earth Institute

    The Millennium Cities Initiative (MCI) and the Earth Institute (EI) were honored to host Accra Mayor Alfred Vanderpuije this week, for a series of lectures and meetings focused on Ghana’s capital. Mayor Vanderpuije met twice with the leadership of the MCI Accra team – Professor Patricia Culligan, Vice-Dean of the School of Engineering and Applied…

  • The Heat is On: Can Mass Transit Adapt?

    Even on a sunny day, nearly 13 million gallons of water are pumped from New York City subways. As global warming brings rising sea levels and stormier weather, more flooding is expected for New York’s transit system. To adapt, the Metropolitan Transportation Authority needs to develop a master plan that lays out the costs of…