What’s so great about the Great Lakes? - Cheri Dobbs and Jennifer Gabrys

What’s so great about the Great Lakes? - Cheri Dobbs and Jennifer Gabryshttps://www.youtube.com/user/TEDEducationvideohttps://www.youtube.com/3601.0480https://i.ytimg.com/vi/gBRcOLcEwF0/hqdefault.jpg480YouTube<iframe width="480" height="270" src="https://www.youtube.com/embed/gBRcOLcEwF0?feature=oembed" frameborder="0" allowfullscreen></iframe>TED-Ed270