State of the Planet

News from the Columbia Climate School

Agriculture37

  • Why Soil Matters

    Why Soil Matters

    Soil is the source of all life. Yet “we know more about soils of Mars than about soils of Africa,” says Pedro Sanchez, director of the Earth Institute’s Tropical Agriculture and the Rural Environment Program. To remedy this situation, the Earth Institute is taking part in an ambitious undertaking to map the world’s soils.

  • Composter Puts College Food Waste in Its Place

    Composter Puts College Food Waste in Its Place

    Columbia has welcomed a composting machine to campus, a first at a New York City university. Accepting food scraps, such as banana peels, coffee grounds and egg shells, the composter will provide a way to recycle the urban campus’s food waste while also serving as an educational tool.

  • Growing Food, Protecting the Land in Africa

    Growing Food, Protecting the Land in Africa

    The new Africa Monitoring System aims to help land managers and policy makers identify and tackle tradeoffs between intensified food production on the African continent and the vital services provided by healthy ecosystems.

  • More Food Insecurity Expected in Horn of Africa

    More Food Insecurity Expected in Horn of Africa

    The current rainy season in the Horn of Africa is off to a poor start, and fear of famine once again looms large for the region.

  • Photo Essay: India, Water, Culture

    Photo Essay: India, Water, Culture

    Take a photographic journey from the crowded streets of Delhi, through the parched state of Rajasthan, and into the farmlands of north Gujarat to get a closer look at some of the many ways water affects the lives of millions of Indians every day.

  • Water, Water Everywhere, But Nary a Drop to Drink

    Water, Water Everywhere, But Nary a Drop to Drink

    It is a unique challenge of our generation that many in the developing world have cellular phones and TVs, but lack reliable access to water. Odd, perhaps, given that water is marketed as essential for life, a human right, and heart rending pictures of women and children walking miles to fetch water are routinely flashed…

  • Student ‘Aquanauts’ to Tackle Water Issues

    Student ‘Aquanauts’ to Tackle Water Issues

    “We would like to take on international problems, problems of development, problems in the United States, but have them done with academic content and interest. Instead of people being sent to random places, we would take engineering companies that have an interest in a particular region in solving a problem, and they would bring the…

  • Millennium Villages Shed Light on Water Security

    Millennium Villages Shed Light on Water Security

    Water is essential to human well-being and economic development. Today, however, water stress caused by inadequate farming practices, demographic pressure and pollution is creating unprecedented problems. Nowhere is this more visible than in the rural areas of sub-Saharan Africa. As the world celebrates World Water Day on the 22nd of March to draw attention to…

  • What’s in Your Rice? A Look at Where Rice in the U.S. Comes from

    What’s in Your Rice? A Look at Where Rice in the U.S. Comes from

    US rice production dominates our consumption at over 90% (USDA, 2012), and the question is whether or not that choice is the best one for our water and our environment.

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

  • Why Soil Matters

    Why Soil Matters

    Soil is the source of all life. Yet “we know more about soils of Mars than about soils of Africa,” says Pedro Sanchez, director of the Earth Institute’s Tropical Agriculture and the Rural Environment Program. To remedy this situation, the Earth Institute is taking part in an ambitious undertaking to map the world’s soils.

  • Composter Puts College Food Waste in Its Place

    Composter Puts College Food Waste in Its Place

    Columbia has welcomed a composting machine to campus, a first at a New York City university. Accepting food scraps, such as banana peels, coffee grounds and egg shells, the composter will provide a way to recycle the urban campus’s food waste while also serving as an educational tool.

  • Growing Food, Protecting the Land in Africa

    Growing Food, Protecting the Land in Africa

    The new Africa Monitoring System aims to help land managers and policy makers identify and tackle tradeoffs between intensified food production on the African continent and the vital services provided by healthy ecosystems.

  • More Food Insecurity Expected in Horn of Africa

    More Food Insecurity Expected in Horn of Africa

    The current rainy season in the Horn of Africa is off to a poor start, and fear of famine once again looms large for the region.

  • Photo Essay: India, Water, Culture

    Photo Essay: India, Water, Culture

    Take a photographic journey from the crowded streets of Delhi, through the parched state of Rajasthan, and into the farmlands of north Gujarat to get a closer look at some of the many ways water affects the lives of millions of Indians every day.

  • Water, Water Everywhere, But Nary a Drop to Drink

    Water, Water Everywhere, But Nary a Drop to Drink

    It is a unique challenge of our generation that many in the developing world have cellular phones and TVs, but lack reliable access to water. Odd, perhaps, given that water is marketed as essential for life, a human right, and heart rending pictures of women and children walking miles to fetch water are routinely flashed…

  • Student ‘Aquanauts’ to Tackle Water Issues

    Student ‘Aquanauts’ to Tackle Water Issues

    “We would like to take on international problems, problems of development, problems in the United States, but have them done with academic content and interest. Instead of people being sent to random places, we would take engineering companies that have an interest in a particular region in solving a problem, and they would bring the…

  • Millennium Villages Shed Light on Water Security

    Millennium Villages Shed Light on Water Security

    Water is essential to human well-being and economic development. Today, however, water stress caused by inadequate farming practices, demographic pressure and pollution is creating unprecedented problems. Nowhere is this more visible than in the rural areas of sub-Saharan Africa. As the world celebrates World Water Day on the 22nd of March to draw attention to…

  • What’s in Your Rice? A Look at Where Rice in the U.S. Comes from

    What’s in Your Rice? A Look at Where Rice in the U.S. Comes from

    US rice production dominates our consumption at over 90% (USDA, 2012), and the question is whether or not that choice is the best one for our water and our environment.