State of the Planet

News from the Columbia Climate School

Bangladesh2

  • Study Identifies Better, Cheaper Ways to Stem Arsenic Poisoning in Bangladesh

    Study Identifies Better, Cheaper Ways to Stem Arsenic Poisoning in Bangladesh

    Some solutions are over 100 times cheaper than others, costing as little as $1 per person.

  • Using Climate Information to Protect Vulnerable Populations In Bangladesh

    Using Climate Information to Protect Vulnerable Populations In Bangladesh

    A Q&A with Melody Braun, who brings advanced climate services to areas in crisis.

  • Defining and Predicting Heat Waves in Bangladesh

    Defining and Predicting Heat Waves in Bangladesh

    New research shows that in Bangladesh, heat wave predictability exists from a few days to several weeks in advance, which could save thousands of lives.

  • The Coming Great Quakes in India and Bangladesh?

    The Coming Great Quakes in India and Bangladesh?

    A new film takes viewers from the eastern highlands of India to the booming lowland metropolis of Dhaka, the capital of Bangladesh–and explores an ever-more detailed picture of catastrophic earthquake threat that scientists are discovering under the region.

  • Report Charges ‘Nepotism and Neglect’ on Bangladesh Arsenic Poisoning

    Report Charges ‘Nepotism and Neglect’ on Bangladesh Arsenic Poisoning

    Two decades after arsenic was found to be contaminating drinking water across Bangladesh, tens of millions of people are still exposed to the deadly chemical. Now a new report from the group Human Rights Watch charges that the Bangladesh government “is failing to adequately respond” to the issue, and that political favoritism and neglect have…

  • Program Backs Start-up Competition at Dhaka University

    Program Backs Start-up Competition at Dhaka University

    The Sustainable Development program at the Earth Institute is helping to sponsor a start-up competition for students at Dhaka University in Bangladesh.

  • Battling ‘the Largest Mass Poisoning in History’

    Battling ‘the Largest Mass Poisoning in History’

    As many as one in five deaths in Bangladesh may be tied to naturally occurring arsenic in the drinking water; it is the epicenter of a worldwide problem that is affecting tens of millions of people. For two decades, health specialists and earth scientists from Columbia University have been trying to understand the problem, and…

  • H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond

    H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond

    H. James Simpson, a geochemist who pioneered important studies of water pollutants in the Hudson River and abroad, died May 10. He had been affiliated with Columbia University’s Lamont-Doherty Earth Observatory for 50 years. The cause was Parkinson’s disease, said his family; he was 72.

  • Working in the Bangladeshi Countryside

    Working in the Bangladeshi Countryside

    After traveling by boat for two days, including crossing the Sundarban Mangrove Forest, we finally arrived in Khulna. We drove to the site of our compaction meter and separated into teams servicing the instruments, investigating agricultural practices, measuring arsenic in the well water and taking sediment samples for dating. We had finally started our work…

Earth Month Graphic Collage: "Our Power, Our Planet - April 2025"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • Study Identifies Better, Cheaper Ways to Stem Arsenic Poisoning in Bangladesh

    Study Identifies Better, Cheaper Ways to Stem Arsenic Poisoning in Bangladesh

    Some solutions are over 100 times cheaper than others, costing as little as $1 per person.

  • Using Climate Information to Protect Vulnerable Populations In Bangladesh

    Using Climate Information to Protect Vulnerable Populations In Bangladesh

    A Q&A with Melody Braun, who brings advanced climate services to areas in crisis.

  • Defining and Predicting Heat Waves in Bangladesh

    Defining and Predicting Heat Waves in Bangladesh

    New research shows that in Bangladesh, heat wave predictability exists from a few days to several weeks in advance, which could save thousands of lives.

  • The Coming Great Quakes in India and Bangladesh?

    The Coming Great Quakes in India and Bangladesh?

    A new film takes viewers from the eastern highlands of India to the booming lowland metropolis of Dhaka, the capital of Bangladesh–and explores an ever-more detailed picture of catastrophic earthquake threat that scientists are discovering under the region.

  • Report Charges ‘Nepotism and Neglect’ on Bangladesh Arsenic Poisoning

    Report Charges ‘Nepotism and Neglect’ on Bangladesh Arsenic Poisoning

    Two decades after arsenic was found to be contaminating drinking water across Bangladesh, tens of millions of people are still exposed to the deadly chemical. Now a new report from the group Human Rights Watch charges that the Bangladesh government “is failing to adequately respond” to the issue, and that political favoritism and neglect have…

  • Program Backs Start-up Competition at Dhaka University

    Program Backs Start-up Competition at Dhaka University

    The Sustainable Development program at the Earth Institute is helping to sponsor a start-up competition for students at Dhaka University in Bangladesh.

  • Battling ‘the Largest Mass Poisoning in History’

    Battling ‘the Largest Mass Poisoning in History’

    As many as one in five deaths in Bangladesh may be tied to naturally occurring arsenic in the drinking water; it is the epicenter of a worldwide problem that is affecting tens of millions of people. For two decades, health specialists and earth scientists from Columbia University have been trying to understand the problem, and…

  • H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond

    H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond

    H. James Simpson, a geochemist who pioneered important studies of water pollutants in the Hudson River and abroad, died May 10. He had been affiliated with Columbia University’s Lamont-Doherty Earth Observatory for 50 years. The cause was Parkinson’s disease, said his family; he was 72.

  • Working in the Bangladeshi Countryside

    Working in the Bangladeshi Countryside

    After traveling by boat for two days, including crossing the Sundarban Mangrove Forest, we finally arrived in Khulna. We drove to the site of our compaction meter and separated into teams servicing the instruments, investigating agricultural practices, measuring arsenic in the well water and taking sediment samples for dating. We had finally started our work…