binomial nomenclature the nomenclature used in scientific classification of living organisms in which each organism is designated by two latinized names (genus and species), both of which must always be used because species names are not necessarily unique.inomial nomenclature the nomenclature used in scientific classification of living organisms in which each organism is designated by two latinized names (genus and species), both of which must always be used because species names are not necessarily unique.
Africa.com recently released a list highlighting the 10 Most Liveable Cities in Africa. 1  Cape Town, South Africa. 2  Accra, Ghana. 3  Nairobi, Kenya. 4  Johannesburg, South Africa. 5  Gaborone, Botswana. 6  Libreville, Gabon. 7  Tunis, Tunisia. 8  Dar es Salaam, Tanzania. 9  Windhoek, Namibia. 10  Kigali, Rwanda.
Despite its reputation as a smog-filled metropolis affected by air pollution, dust from the Sahara and other forms of air-borne toxicity, London is only the 2,516th worst polluted city in the world. The most polluted city is Nyala in Sudan and other Sudanese cities make up six of the top 10 places, according to a report by the World Bank. Developing nations are home to the most polluted cities in the world - with Pakistan, Iraq and Egypt having the most cities in the top 100 of the list.