Jimmy Chin returns on air for a second interview with Boyd Matson on National Geographic’s Weekend Radio Show. Jimmy talks about his recent Summit on the Summit expedition to climb Kilimanjaro and raise money and awareness for the global clean water crisis.

The team of climbers, including celebrities Jessica Biel, Emile Hirsch, Isabel Lucas, musicians Lupe Fiasco and Santigold, summited the highest point in Africa on January 12th, 2010. Jimmy and Boyd talk about how the actors, actresses and musicians fare on the mountain. They also discuss some critical facts about the global clean water crisis as well as some easy steps to help save water.

Listen to the interview broadcast on February 6, 2010.