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.
Effects of sewage in freshwater ecosystems. Dumping sewage into water bodies, such as rivers or lakes, creates a human health hazard but can also negatively disrupt the river and lake ecosystems. The sewage contaminates the water, spreads disease, and leads to environmental degradation (WQM 2004).f certain bacteria are present, it can create human health issues â illness and death in the short term, or long-term effects on reproduction and other bodily processes. In the case of Canmore, the sewage was highly diluted with groundwater.