Human Waste

The Access Fund provides an overview of waste disposal options for climbers based on environment here.
The American Alpine Club, with support from the NPS, and Access Fund held an "Exit Strategies" conference in 2010 to discuss the management of human waste in climbing and alpine environments. Be sure to check out the the presentations from the Exit Strategies conference.
This 2006 instructional video, produced by the Access Fund and starring Timmy O'Neill discusses the Indian Creek, UT human waste disposal program: