State of the Planet

News from the Columbia Climate School

Center for Sustainable Urban Development5

  • Map & App Help People Track Transit in Nairobi

    Map & App Help People Track Transit in Nairobi

    Commuters and others traveling in and around Nairobi often rely on an unofficial network of minibuses and minivans, called matatus, that have no centrally controlled schedules, fares or route plans. But a new application developed for use on cellphones with Google Maps can now help them find their way.

  • ‘This is a wake-up call – don’t hit the snooze button’

    ‘This is a wake-up call – don’t hit the snooze button’

    For years before Hurricane Sandy charged ashore on Monday, researchers from the Earth Institute knew what was coming. As the region struggles to recover from this “superstorm,” we asked some of them to consider the lessons we can learn as we move forward.

Banner with images representing environmental issues and text "You Asked: Our Scientists and Experts Answer Your Burning Questions."

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!

  • Map & App Help People Track Transit in Nairobi

    Map & App Help People Track Transit in Nairobi

    Commuters and others traveling in and around Nairobi often rely on an unofficial network of minibuses and minivans, called matatus, that have no centrally controlled schedules, fares or route plans. But a new application developed for use on cellphones with Google Maps can now help them find their way.

  • ‘This is a wake-up call – don’t hit the snooze button’

    ‘This is a wake-up call – don’t hit the snooze button’

    For years before Hurricane Sandy charged ashore on Monday, researchers from the Earth Institute knew what was coming. As the region struggles to recover from this “superstorm,” we asked some of them to consider the lessons we can learn as we move forward.