State of the Planet

News from the Columbia Climate School

Water62

  • Improving Access to Safe Water and Sanitation in Kisumu, Kenya

    Many families in developing countries, and particularly in sub-Saharan Africa, do not have access to clean, safe drinking water. Proper sanitation facilities are also rare, particularly in informal settlements and peri-urban areas. Despite the valiant efforts by local and national governments, international NGOs, foundations and corporations to bring clean water and sanitation facilities to sub-Saharan…

  • Water, Another Crisis for Iraq

    In a place like Iraq, our attention is on the big issues, and we might forget that life also goes on for regular people. They need to grow crops and wash dishes and make tea. For many people in the country, those mundane things can be every bit as big an issue. If you don’t…

  • Obama’s Oil Speech: What Wasn’t Said

    I was eagerly anticipating President Obama’s speech last night and very much hoping it would mark a true turning point in the administration’s handling of the crisis. However, like many others, I was sorely disappointed. While the speech used plenty of combative terms (“battle plan”, “siege”) it was completely absent of specifics, both for responding…

  • The Implications of Snowcover on Climate: A Conversation with Stefan Sobolowski (Part 1)

    Stefan Sobolowski says he has always had a passion for water, weather and climate—a passion he attributes to lifetime of skiing, hiking, snowboarding, and playing in oceans. Here, Stefan discusses his research on the effects of continental snowcover on climate and why one cold winter in the United States doesn’t mean that there is no…

  • Climate News Roundup – Week of 6/7

    10 Eastern States Join Wind Energy Consortium,  Providence Business News On Tuesday a memorandum of understanding signed by Secretary of the Interior Ken Salazar and the governors of ten states established an Atlantic offshore wind energy consortium.  The goal is to promote the efficient development of wind resources on the Outer Continental Shelf from Maine…

  • Himalayan Glacier Melt: The Real Problem

    Every day I hear scientists and media people talking about climate change in a way that is often sensational or misses the real challenges. This will be a series of blogs in which I will discuss a few of these cases. Lets start with: The Himalayan Glacier Melt

  • Understanding Water Conflict in Central Asia, and Solutions

    A CWC research team is analyzing a complicated issue in a highly conflicted part of the world, and trying to find a way forward. They are taking an in-depth look at Central Asia (Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, and Kazakhstan), and the environmental, political and economic crisis building there.

  • 19 Ways to Solve the Freshwater Crisis

    Circle of Blue recently reported on the results of a survey of sustainability experts, and listed their top 19 solutions to the world’s freshwater crisis. The survey was done by GlobeScan, a corporate affairs research firm, and SustainAbility, a strategy consultancy.  Respondents, drawn from five sectors —  corporate, government (including multi-lateral institutions), NGOs, institutional (e.g.,…

  • The Importance of Wetlands

    As we continue to see ever-more disturbing images on the shores of Louisiana from the gulf oil spill, it’s worth thinking again about the immense ecological importance of wetlands and why they must be protected. Oil from the leak has already filtered up from the beaches into Louisiana’s coastal wetlands, killing wildlife there. Ironically, last…

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

  • Improving Access to Safe Water and Sanitation in Kisumu, Kenya

    Many families in developing countries, and particularly in sub-Saharan Africa, do not have access to clean, safe drinking water. Proper sanitation facilities are also rare, particularly in informal settlements and peri-urban areas. Despite the valiant efforts by local and national governments, international NGOs, foundations and corporations to bring clean water and sanitation facilities to sub-Saharan…

  • Water, Another Crisis for Iraq

    In a place like Iraq, our attention is on the big issues, and we might forget that life also goes on for regular people. They need to grow crops and wash dishes and make tea. For many people in the country, those mundane things can be every bit as big an issue. If you don’t…

  • Obama’s Oil Speech: What Wasn’t Said

    I was eagerly anticipating President Obama’s speech last night and very much hoping it would mark a true turning point in the administration’s handling of the crisis. However, like many others, I was sorely disappointed. While the speech used plenty of combative terms (“battle plan”, “siege”) it was completely absent of specifics, both for responding…

  • The Implications of Snowcover on Climate: A Conversation with Stefan Sobolowski (Part 1)

    Stefan Sobolowski says he has always had a passion for water, weather and climate—a passion he attributes to lifetime of skiing, hiking, snowboarding, and playing in oceans. Here, Stefan discusses his research on the effects of continental snowcover on climate and why one cold winter in the United States doesn’t mean that there is no…

  • Climate News Roundup – Week of 6/7

    10 Eastern States Join Wind Energy Consortium,  Providence Business News On Tuesday a memorandum of understanding signed by Secretary of the Interior Ken Salazar and the governors of ten states established an Atlantic offshore wind energy consortium.  The goal is to promote the efficient development of wind resources on the Outer Continental Shelf from Maine…

  • Himalayan Glacier Melt: The Real Problem

    Every day I hear scientists and media people talking about climate change in a way that is often sensational or misses the real challenges. This will be a series of blogs in which I will discuss a few of these cases. Lets start with: The Himalayan Glacier Melt

  • Understanding Water Conflict in Central Asia, and Solutions

    A CWC research team is analyzing a complicated issue in a highly conflicted part of the world, and trying to find a way forward. They are taking an in-depth look at Central Asia (Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, and Kazakhstan), and the environmental, political and economic crisis building there.

  • 19 Ways to Solve the Freshwater Crisis

    Circle of Blue recently reported on the results of a survey of sustainability experts, and listed their top 19 solutions to the world’s freshwater crisis. The survey was done by GlobeScan, a corporate affairs research firm, and SustainAbility, a strategy consultancy.  Respondents, drawn from five sectors —  corporate, government (including multi-lateral institutions), NGOs, institutional (e.g.,…

  • The Importance of Wetlands

    As we continue to see ever-more disturbing images on the shores of Louisiana from the gulf oil spill, it’s worth thinking again about the immense ecological importance of wetlands and why they must be protected. Oil from the leak has already filtered up from the beaches into Louisiana’s coastal wetlands, killing wildlife there. Ironically, last…