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.
In fact, over the past 40 years, 30 percent of the worldâs arable land has become unproductive as a result of erosion. However, even low rates of soil erosion can severely damage agricultural land; not only does erosion reduce the water-holding capacity of a given soil, it also strips away nutrients and organic matter. In fact, soil removed by erosion contains about 3 times more nutrients and 1.5 to 5 times more organic matter than the soil that remains behind. F