State of the Planet

News from the Columbia Climate School

Urbanization29

  • MCI’s MDG Heroes Series: Kumasi Metropolitan Health Director Reduces Maternal Mortality

    MCI’s MDG Heroes Series: Kumasi Metropolitan Health Director Reduces Maternal Mortality

    In the Millennium City of Kumasi, Ghana, the Maternal Mortality Ratio was on the rise until 2009. But a sustained and dedicated effort on the part of the Kumasi Metropolitan Health Directorate and its director, Dr. Kwasi Yeboah-Awudzi, has resulted in dramatically reduced maternal deaths over the last 18 months. Dr. Yeboah-Awudzi’s direction included upgrading…

  • Promises, Promises: The Clock is Ticking in Africa’s Cities

    Promises, Promises: The Clock is Ticking in Africa’s Cities

    Back in the flush days of 2005, a confident, wealthy G8 promised sub-Saharan Africa $25 billion more per year to help the region achieve the Millennium Development Goals (MDGs) by the target date of 2015, then 10 years hence.

  • Practice and Persevere: Neonatal Survival Workshops Aim to Reduce Infant Mortality in Ghana

    Practice and Persevere: Neonatal Survival Workshops Aim to Reduce Infant Mortality in Ghana

    With only five years left until the 2015 deadline to achieve the Millennium Development Goals (MDGs), United Nations Secretary-General Ban Ki-Moon has called on world leaders to attend a summit in New York on 20-22 September 2010 to accelerate progress towards the MDGs, aimed at slashing poverty, hunger, disease, maternal and child deaths and other…

  • Restoring Sight: My Work With the Himalayan Cataract Project in Ethiopia

    Restoring Sight: My Work With the Himalayan Cataract Project in Ethiopia

    A guest blog from Dr. Matt Oliva, an MD with the Himalayan Cataract Project. Blindness exerts an incredible toll in the Tigray region of Ethiopia, in terms of both human suffering and adverse economic impact. Due to environmental conditions, malnutrition and vitamin deficiency, ocular infections, trauma and lack of access to care, some of the…

  • Reusable, Homemade Feminine Pads: A Simple Intervention to Help Keep Girls in School

    Reusable, Homemade Feminine Pads: A Simple Intervention to Help Keep Girls in School

    In many areas of sub-Saharan Africa, gender parity tends to decline at higher levels of schooling. While girls’ enrollment and completion rates for primary school are typically high, these rates decrease with secondary and tertiary education. Girls may discontinue their studies to devote more time to household chores, to earn extra income by engaging in…

  • In Support of the Neglected Drinking Fountain

    In Support of the Neglected Drinking Fountain

    The Metropolitan Drinking Fountain and Cattle Trough Association built the first public drinking fountain in London in 1859, as an answer to some of the pressing problems of their times. Drinking fountains are also part of the answer to some of our own problems.

  • Phytoremediation: Can It Solve the Brownfield Problem?

    Phytoremediation: Can It Solve the Brownfield Problem?

    Brownfields, born from defunct industrial facilities, are a growing problem in the world today. Current cleanup techniques are invasive, expensive, energy dependent, and restrictive. Perhaps a better and more innovative solution to the problem is a form of bioremediation called phytoremediation.

  • Global Population Growth and Water Scarcity Q&A

    Global Population Growth and Water Scarcity Q&A

    Russell Sticklor with the Wilson Center’s Environmental Change and Security Program in Washington, DC. recently contacted me requesting my thoughts on a number of issues for an article he is writing on global population growth and water scarcity for the magazine, Outdoor America. I thought some of the comments might be interesting to our blog…

  • Notes from a Gender Needs Assessment: Kisumu’s Greatest Resource

    Notes from a Gender Needs Assessment: Kisumu’s Greatest Resource

    The following is a guest blog, authored by Sarah Jaffe, an MCI researcher who is carrying out a Gender Needs Assessment for Kisumu, Kenya.   My mobile buzzed in my pocket, and I shifted the crate of Fanta my seatmate had rested on my lap to one side. It was my colleague, Ben: “Madame Grace is…

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

  • MCI’s MDG Heroes Series: Kumasi Metropolitan Health Director Reduces Maternal Mortality

    MCI’s MDG Heroes Series: Kumasi Metropolitan Health Director Reduces Maternal Mortality

    In the Millennium City of Kumasi, Ghana, the Maternal Mortality Ratio was on the rise until 2009. But a sustained and dedicated effort on the part of the Kumasi Metropolitan Health Directorate and its director, Dr. Kwasi Yeboah-Awudzi, has resulted in dramatically reduced maternal deaths over the last 18 months. Dr. Yeboah-Awudzi’s direction included upgrading…

  • Promises, Promises: The Clock is Ticking in Africa’s Cities

    Promises, Promises: The Clock is Ticking in Africa’s Cities

    Back in the flush days of 2005, a confident, wealthy G8 promised sub-Saharan Africa $25 billion more per year to help the region achieve the Millennium Development Goals (MDGs) by the target date of 2015, then 10 years hence.

  • Practice and Persevere: Neonatal Survival Workshops Aim to Reduce Infant Mortality in Ghana

    Practice and Persevere: Neonatal Survival Workshops Aim to Reduce Infant Mortality in Ghana

    With only five years left until the 2015 deadline to achieve the Millennium Development Goals (MDGs), United Nations Secretary-General Ban Ki-Moon has called on world leaders to attend a summit in New York on 20-22 September 2010 to accelerate progress towards the MDGs, aimed at slashing poverty, hunger, disease, maternal and child deaths and other…

  • Restoring Sight: My Work With the Himalayan Cataract Project in Ethiopia

    Restoring Sight: My Work With the Himalayan Cataract Project in Ethiopia

    A guest blog from Dr. Matt Oliva, an MD with the Himalayan Cataract Project. Blindness exerts an incredible toll in the Tigray region of Ethiopia, in terms of both human suffering and adverse economic impact. Due to environmental conditions, malnutrition and vitamin deficiency, ocular infections, trauma and lack of access to care, some of the…

  • Reusable, Homemade Feminine Pads: A Simple Intervention to Help Keep Girls in School

    Reusable, Homemade Feminine Pads: A Simple Intervention to Help Keep Girls in School

    In many areas of sub-Saharan Africa, gender parity tends to decline at higher levels of schooling. While girls’ enrollment and completion rates for primary school are typically high, these rates decrease with secondary and tertiary education. Girls may discontinue their studies to devote more time to household chores, to earn extra income by engaging in…

  • In Support of the Neglected Drinking Fountain

    In Support of the Neglected Drinking Fountain

    The Metropolitan Drinking Fountain and Cattle Trough Association built the first public drinking fountain in London in 1859, as an answer to some of the pressing problems of their times. Drinking fountains are also part of the answer to some of our own problems.

  • Phytoremediation: Can It Solve the Brownfield Problem?

    Phytoremediation: Can It Solve the Brownfield Problem?

    Brownfields, born from defunct industrial facilities, are a growing problem in the world today. Current cleanup techniques are invasive, expensive, energy dependent, and restrictive. Perhaps a better and more innovative solution to the problem is a form of bioremediation called phytoremediation.

  • Global Population Growth and Water Scarcity Q&A

    Global Population Growth and Water Scarcity Q&A

    Russell Sticklor with the Wilson Center’s Environmental Change and Security Program in Washington, DC. recently contacted me requesting my thoughts on a number of issues for an article he is writing on global population growth and water scarcity for the magazine, Outdoor America. I thought some of the comments might be interesting to our blog…

  • Notes from a Gender Needs Assessment: Kisumu’s Greatest Resource

    Notes from a Gender Needs Assessment: Kisumu’s Greatest Resource

    The following is a guest blog, authored by Sarah Jaffe, an MCI researcher who is carrying out a Gender Needs Assessment for Kisumu, Kenya.   My mobile buzzed in my pocket, and I shifted the crate of Fanta my seatmate had rested on my lap to one side. It was my colleague, Ben: “Madame Grace is…