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.