It is a study of population ecology of terrestrial, marine coastal and freshwater systems, interaction of plants, animals and micro-organisms in land and aquatic environments. It is also defined as combination of analytical and environmental chemistry, which is useful in the court room context. It therefore involves field analytical studies and both data interpretation and modeling connected with the attribution of pollution events to their causes. Innovations are new idea, device or process. Innovations are the application of better solutions that meet new requirements, inarticulate needs or existing market needs. It is proficient through more effective products, processes, services, technologies, or new ideas that are readily available to markets, governments and society. Innovations are something original and novel, as a significant, new that breaks into the market or society.