2.  Erosion : E-ro-sion Noun The process which the surface of the earth is eroded by physical factors such as ; wind, water, glaciers.  Environmentalist: en-vi-ron-men-tal-ist Noun An expert on environment problems, his work is aimed to protect biotic and abiotic factors which are related with the environment.

3.  Endangered : En-dan-gered Noun Threatened to become extinct.  Ecology : E-co-lo-gy Noun The relations of biological organisms and their interaction with the biotic and abiotic environment.

4.  Ecosystem Noun A system involving the relationships and interactions between plants, animals and non-living environment. _______________________________________  Fume Noun Smoke or vapors which come from hazardous materials.

5.  Fertilizers : Fer-ti-li-zers Noun Any substance, such as manure or a mixture of nitrates, added to soil or water to increase its productivity.  Famine : Fam-ine Noun Extreme and general scarcity of food, extreme hunger ; starvation.

6.  Farming : farm-ing Noun The business of operating a farm.  Feed-in-tariff Noun A payment made by the government to someone who produces energy that is renewable. ___________________________________________ _

7.  Unleaded Noun Unleaded petrol for example, does not contain lead and therefore is less harmful to people and to the environment.  Unsustainable Noun Unsustainable methods that harm the environment.

8.  U-Value Noun A measure of how well a part of a building is, for example a roof prevents heat from escaping.  Unsanitary: un-san-i-tar-y Adjective Not conductive to or promoting health; dirty or unhygienic.

9.  Urban : ur-ban Adjective Accustomed characteristics of a city, areas in which people inhabit in. __________________________________________