Dr. Piers Sellers visits Thule

Former astronaut and climate scientist Dr. Piers Sellers visits Thule, Greenland, one of the home bases for Operation IceBridge’s spring Arctic campaign. IceBridge is a 10-year airborne science mission measuring polar ice with a range of instruments including laser altimeters and radar. In recent days, Thule has seen an unusual amount of snow as well as cloud conditions more similar to early summertime months. For more information: