Life expectancy at birth, female (years) ( 1 ) United Nations Population Division. World Population Prospects, ( 2 ) Census reports and other statistical publications from national statistical offices, ( 3 ) Eurostat: Demographic Statistics, ( 4 ) United Nations Statistical Division.
Effect on human health: The land when contaminated with toxic chemicals and pesticides lead to problem of skin cancer and human respiratory system. The toxic chemicals can reach our body through foods and vegetables that we eat as they are grown in polluted soil.
If the surficial (and sometimes subsurface) geology is unstable, mass wasting often occurs. BUT, if clear-cutting (harvesting all trees in an area) and road building occur on geologically stable land, timber harvesting has considerably less impact. Urbanization also has an effect on slope stability.