Watch Pugh's full TED Talk and fill in the blanks with th missing words Lewis Pugh swims in cold places because it is 1. of saving the environment. He wants Earth to be 2. ,or around forever.Lewis decided to swim in a lake high on Mt.Everest in the Himalayas.3.______helped him climb the big mountain to Lake Imja. After a failed first attempt, Lewis had a 4. to discuss the best way to swim at 5,300 meters(17,400feet) above sea level. He is usually very 5. when he wants to finish quickly and get out of the cold water. But this time he showed 6. and swam slowly.