__2__

　　I wanted to climb it. That has been my life's passion ever since—__3__ the rocks and mountains of Yosemite. I've long made Yosemite my __4__.

　　About 15 years ago I started seeing a lot of __5__， like toilet paper, beer cans, and empty boxes, around the area. It's

　　__6__

　　me why visitors started respecting the place

　　__7__

　　and treated such a beautiful home­like place this way.

　　I tried __8__ trash (垃圾) myself, but the job was too big, I would __9__ an hour or two on the job, only to find the area trashed all over again weeks later. Finally, I got so __10__ it that I decided something had to change.

　　As a rock­climbing guide, I knew

　　__11__ about organizing any big event. But in 2004, together with some climbers, I set a date for a __12__. On that day, more than 300 people __13__. Over three days we collected about 6,000 pounds of trash. It was amazing how much we were able to

　　__14__. I couldn't believe the __15__ we made—the park looked clean!

　　Each year volunteers come for the cleanup from everywhere. In 2007 alone, 2,945 people picked up 42,330 pounds of trash and __16__

　　132 miles of roadway.

　　I often hear people

　　__17__

　　about their surroundings. If you are one of them, I would say the only way to change things is by __18__ rather than complaining. We need to teach by __19__. You can't blame others __20__ you start with yourself.

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