@CNN: These drone boats are traveling from the Arctic to the equator, gathering vital data on climate change… https://t.co/RycFdUDN2T
These drone boats are traveling from the Arctic to the equator, gathering vital data on climate change https://t.co/TK2dGHOPSh http://pic.twitter.com/AhltfNuhbm
— CNN (@CNN) October 27, 2017