The final stretch of the Scott Dunn Polar Challenge is approaching: 44 competitors on 16 teams from all over Britain and Ireland are racing on skis, pulling sledges to the 500-kilometre-distant Magnetic North Pole. In this extreme environment, radar ice images from ESA’s Envisat help ensure competitors keep safe.
Full story:
http://www.esa.int/esaCP/SEMKPP2IU7E_index_0.html