State of the Planet

News from the Columbia Climate School

sustainable travel

  • Biofuels And Jet Travel

    Biofuels And Jet Travel

    Global communication and global travel have transformed economic life in our world and have been important tools in improving quality of life for many. They have transformed our world’s culture in ways that we do not yet fully understand. Let’s take the first small steps in building the technology and business models most appropriate to…

  • Is Green Travel Possible?

    Is Green Travel Possible?

    Imagine if each of the 4.3 million daily commuters on the New York City subway took an international flight. Now think of each of those people on flights spewing jet fuel emissions, guzzling canned soda from plastic airline cups and water from plastic bottles, tossing hotel toiletries into non-recycling bins, blasting hotel air conditioners, and…

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

  • Biofuels And Jet Travel

    Biofuels And Jet Travel

    Global communication and global travel have transformed economic life in our world and have been important tools in improving quality of life for many. They have transformed our world’s culture in ways that we do not yet fully understand. Let’s take the first small steps in building the technology and business models most appropriate to…

  • Is Green Travel Possible?

    Is Green Travel Possible?

    Imagine if each of the 4.3 million daily commuters on the New York City subway took an international flight. Now think of each of those people on flights spewing jet fuel emissions, guzzling canned soda from plastic airline cups and water from plastic bottles, tossing hotel toiletries into non-recycling bins, blasting hotel air conditioners, and…