the number of people or animals the environment of an area can support. A place’s carrying capacity depends on the environment.

the process of adjusting to lower oxygen levels at high elevation. Climbers adjust through exercise and rest as they gradually move higher.

29,000 Ft.

a branch of the United Nations. UNESCO stands for United Nations Educational, Scientific, and Cultural Organization.

the harmful effects of cold, wind, or other extreme weather conditions

a place of great natural or cultural value that has been placed on UNESCO’s World Heritage List. UNESCO helps countries preserve these sites for future generati

travel for pleasure rather than business or necessity; also, the business of organizing such travel

removing or clearing away the trees from a forest. Deforestation is often done to clear land for farming or ranching.

a poorer country with a less advanced economy. In general, developing countries are trying to increase their industries and improve life for their people.

the sudden movement of a large mass of ice, snow, or rocks and soil down the side of a mountain