The warning sounds of a melting glacier | Erin Pettit

Did you know that glacial fjords are the loudest natural ocean environment humans have ever measured? Glaciologist Erin Pettit shows how the sound produced by glaciers might give more accurate indicators of glacial melting patterns than satellite imaging can. TEDArchive presents previously unpublished talks from TED conferences. Enjoy this unedited talk by Erin Pettit. Filmed at TEDWomen in 2015