Mount Everest climbers urged to return to base with trash

In this photograph taken on May 19, 2009, unidentified mountaineers descend from the summit of Everest. Four climbers have been killed returning from the summit of Mount Everest, tour agents and officials said on May 21, 2012, bringing the season's death toll to six on the world's highest peak.

Climbing to the top of Mount Everest isn't for the faint of heart. It can often takes weeks to reach the summit, and starting this year, you won't just bring back a sense of accomplish. You'll also be forced to tote more than 17 pounds of trash down with you, too.

Climbing to the top of Mount Everest isn't for the faint of heart.

It can often takes weeks to reach the summit, and starting this year, you won't just bring back a sense of accomplish. You'll also be forced to tote more than 17 pounds of trash down with you, too.

The Nepalese government hopes to clean up the tons of trash that have been left by climbers over the past six decades. For more we're joined by Dawa Steven Sherpa with the expedition firm Asian Trekking. He's also summitted Everest twice, and joins us from Kathmandu, Nepal.