State of the Planet

News from the Columbia Climate School

Agriculture42

  • Open House: Earth Institute Graduate Programs

    The Environmental and Sustainable Development Programs Open House is a wonderful opportunity for you to find out more about Columbia’s cutting-edge graduate degrees in sustainable development and environmental studies. We invite you to come explore our diverse offering of programs, have your application questions answered, and meet with current Columbia students and faculty. Attend the…

  • In New York City: 5,000 Acres and a Mule?

    In New York City: 5,000 Acres and a Mule?

    It is no surprise that New York City holds one of the world’s densest agglomerations of people and infrastructure; but according to a new report, it is also hides a huge archipelago of potential farmland.

  • Open House: Earth Institute Undergraduate Programs

    Open House: Earth Institute Undergraduate Programs

    Whether you are interested in global poverty alleviation, sustainable development, sustainability management, ecology or environmental policy, Columbia University has a program for you. Attend the Environmental and Sustainable Development Programs Open House from 4-7 p.m. on Monday, Oct. 24, Low Memorial Library, Columbia University (116th & Broadway) to learn more.

  • 8 Ways to Look at 7 Billion

    8 Ways to Look at 7 Billion

    Interested in learning more about the world’s population? Here are some recent articles about the history, context and implications of 7 billion people living on earth.

  • Vertical Farms: From Vision to Reality

    Vertical Farms: From Vision to Reality

    Dr. Dickson Despommier believes vertical farming—the growing of crops indoors in multi-story urban buildings—can help feed the growing global population and undo the environmental damage caused by conventional agriculture.

  • The 7 Billion Challenge

    The 7 Billion Challenge

    The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.

  • Join a Conversation About 7 Billion People

    Join a Conversation About 7 Billion People

    The world’s population will reach 7 billion this year, and the UN estimates continued growth, primarily in less-developed regions. What will this steep population growth mean for our environmental, economic and social systems? Join the conversation on Oct. 17.

  • Hybrid Climate Data for East Africa

    Hybrid Climate Data for East Africa

    In our latest video interview, climate scientist Tufa Dinku talks about his work on combining weather station data with satellite information to generate high-resolution data sets. These data could be used for making more accurate forecasts and can feed into other climate risk management activities, such as early-warning systems. With funding from Google.org, Dinku and…

  • Conservation of Biodiversity in Orquídeas National Park

    Conservation of Biodiversity in Orquídeas National Park

    Researchers from The New York Botanical Garden are working to document the plant life in Las Orquídeas National Park, one of the last remaining prized and unexplored rainforests that borders Columbia’s Pacific coast.

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

  • Open House: Earth Institute Graduate Programs

    The Environmental and Sustainable Development Programs Open House is a wonderful opportunity for you to find out more about Columbia’s cutting-edge graduate degrees in sustainable development and environmental studies. We invite you to come explore our diverse offering of programs, have your application questions answered, and meet with current Columbia students and faculty. Attend the…

  • In New York City: 5,000 Acres and a Mule?

    In New York City: 5,000 Acres and a Mule?

    It is no surprise that New York City holds one of the world’s densest agglomerations of people and infrastructure; but according to a new report, it is also hides a huge archipelago of potential farmland.

  • Open House: Earth Institute Undergraduate Programs

    Open House: Earth Institute Undergraduate Programs

    Whether you are interested in global poverty alleviation, sustainable development, sustainability management, ecology or environmental policy, Columbia University has a program for you. Attend the Environmental and Sustainable Development Programs Open House from 4-7 p.m. on Monday, Oct. 24, Low Memorial Library, Columbia University (116th & Broadway) to learn more.

  • 8 Ways to Look at 7 Billion

    8 Ways to Look at 7 Billion

    Interested in learning more about the world’s population? Here are some recent articles about the history, context and implications of 7 billion people living on earth.

  • Vertical Farms: From Vision to Reality

    Vertical Farms: From Vision to Reality

    Dr. Dickson Despommier believes vertical farming—the growing of crops indoors in multi-story urban buildings—can help feed the growing global population and undo the environmental damage caused by conventional agriculture.

  • The 7 Billion Challenge

    The 7 Billion Challenge

    The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.

  • Join a Conversation About 7 Billion People

    Join a Conversation About 7 Billion People

    The world’s population will reach 7 billion this year, and the UN estimates continued growth, primarily in less-developed regions. What will this steep population growth mean for our environmental, economic and social systems? Join the conversation on Oct. 17.

  • Hybrid Climate Data for East Africa

    Hybrid Climate Data for East Africa

    In our latest video interview, climate scientist Tufa Dinku talks about his work on combining weather station data with satellite information to generate high-resolution data sets. These data could be used for making more accurate forecasts and can feed into other climate risk management activities, such as early-warning systems. With funding from Google.org, Dinku and…

  • Conservation of Biodiversity in Orquídeas National Park

    Conservation of Biodiversity in Orquídeas National Park

    Researchers from The New York Botanical Garden are working to document the plant life in Las Orquídeas National Park, one of the last remaining prized and unexplored rainforests that borders Columbia’s Pacific coast.