Lewis Pugh is famous swimmer, but not in the way you might think. in 2007 he swam across the North Pole in water that was so cold his fingers were frozen. why did Pugh do this? well, he wants people to play attention to global warming and the problems it is causing. As a boy, Lewis visited national parks and he learned how fragile and amazing the Earth is. Now he wants to protect the Earth ant draw attention to the problems the facing it. he decided to swim in water near the North Pole to bring attention to the melting glaciers and icecap.