EUTROPHICATION : The process in which nutrient enriched water bodies support a dense plant population , which kills animal life by depriving it of oxygen and results in subsequent loss of biodiversity is known as Eutrophication
BOD : The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water , is called Biochemical Oxygen Demand ( BOD )
SOIL POLLUTION : Insecticides , pesticides and herbicides cause soil pollution .
GREEN CHEMISTRY : Green chemistry us a way of thinking and is about utilizing the existing knowledge and principles of chemistry and other sciences to reduce the adverse impact on environment . Green chemistry is a production process that would bring out minimum pollution or deterioration to the environment . Utilization of existing knowledge base for reducing the chemical hazards along with the development of activities is the foundation of green chemistry .