State of the Planet

News from the Columbia Climate School

201112

  • 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.

  • 7 Billion: Not the World We Remember

    7 Billion: Not the World We Remember

    If you’re 12 years old, the world’s population has grown a billion in your lifetime. If you’re 24, by 2 billion. If you were born in 1960, the world around you has grown from 3 billion to 7 billion people.

  • Artificial Trees: Giving Us Time to Act?

    Artificial Trees: Giving Us Time to Act?

    Soon after Klaus Lackner met Allen Wright at Biosphere 2 in Arizona, they began dreaming up a way to pull CO2 out of the air. After years of work, the two have come up with a working laboratory-scale prototype…

  • New Public Outreach Prize Goes to Earth Institute Climatologist

    New Public Outreach Prize Goes to Earth Institute Climatologist

    A major new international prize for public communication on climate-change issues has been awarded to Gavin Schmidt of the Earth Institute-affiliated NASA Goddard Institute for Space Studies. The $25,000 Climate Communications Prize was announced today by the American Geophysical Union (AGU), the world’s largest organization of earth and space scientists. Schmidt, an influential climate modeler who has authored more than…

  • Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…

  • Climate News Roundup: Week of 10/09

    Climate News Roundup: Week of 10/09

    Nations Heading to Durban Climate Talks Remain Deeply Divided, Oct 10, New York Times U.N. climate chief Christiana Figueres lauded a climate change meeting in Panama as “good progress” this weekend, even as environmental activists warned that the world’s only structure for curbing greenhouse gas emissions appears about to crumble. The next time diplomats meet,…

  • 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.

  • Green Sidewalk is Electrifying

    Green Sidewalk is Electrifying

    Utilizing innovative technology to transform physical impact into electricity, PaveGen is literally, as the company tagline describes, “Generating Energy from footsteps.”

  • 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.

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 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.

  • 7 Billion: Not the World We Remember

    7 Billion: Not the World We Remember

    If you’re 12 years old, the world’s population has grown a billion in your lifetime. If you’re 24, by 2 billion. If you were born in 1960, the world around you has grown from 3 billion to 7 billion people.

  • Artificial Trees: Giving Us Time to Act?

    Artificial Trees: Giving Us Time to Act?

    Soon after Klaus Lackner met Allen Wright at Biosphere 2 in Arizona, they began dreaming up a way to pull CO2 out of the air. After years of work, the two have come up with a working laboratory-scale prototype…

  • New Public Outreach Prize Goes to Earth Institute Climatologist

    New Public Outreach Prize Goes to Earth Institute Climatologist

    A major new international prize for public communication on climate-change issues has been awarded to Gavin Schmidt of the Earth Institute-affiliated NASA Goddard Institute for Space Studies. The $25,000 Climate Communications Prize was announced today by the American Geophysical Union (AGU), the world’s largest organization of earth and space scientists. Schmidt, an influential climate modeler who has authored more than…

  • Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…

  • Climate News Roundup: Week of 10/09

    Climate News Roundup: Week of 10/09

    Nations Heading to Durban Climate Talks Remain Deeply Divided, Oct 10, New York Times U.N. climate chief Christiana Figueres lauded a climate change meeting in Panama as “good progress” this weekend, even as environmental activists warned that the world’s only structure for curbing greenhouse gas emissions appears about to crumble. The next time diplomats meet,…

  • 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.

  • Green Sidewalk is Electrifying

    Green Sidewalk is Electrifying

    Utilizing innovative technology to transform physical impact into electricity, PaveGen is literally, as the company tagline describes, “Generating Energy from footsteps.”

  • 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.