`` We will be using lots of different forms of alternative power , including wind-powered kite-skiing , part bio-ethanol powered jetskis and inflatable boats , electric-powered paragliders , solar- and wind-powered base camps -- and good old foot work , '' Grylls wrote in a November 14 entry . Actor and TV show host Bear Grylls injured his leg . Grylls was in Antarctica on an expedition for science . Host going to hospital for treatment , Discovery Channel says .
Actor and TV show host Bear Grylls injured his leg . Grylls was in Antarctica on an expedition for science . Host going to hospital for treatment , Discovery Channel says .