Use solar showers, if available; otherwise, do your best to minimize washing with wood-heated hot water.
Avoid bottled water, canned beverages, and anything else that produces non-biodegradable litter. Use tap or stream-water purified with iodine tablets.
Says Hillary: "In 20 or 30 years the forests in the Khumbu could almost be as impressive as they were 40 years ago."
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