Global water resources today is extremely polluted due to a number of reasons. The pollutants may be various inorganic salts, metals, pesticides, oil & grease, aromatics and also a variety of pathogenic organisms. Most of the surface fresh water bodies, ground water, and coastal marine water gets polluted over the years. The major water pollutants and their sources are depicted [...]
Introduction to Environmental Impact Assessment: The environmental impact assessment in India was started in 1976-77, when the planning commission asked the Department of Science and Technology to examine the river valley projects from environmental angel. This was subsequently extended to cover those projects, which required approval of the Public Investment Board. Then the Govt. of India enacted the Environment (Protection) [...]
In this article we will discuss about the sources and disposal of solid wastes. Sources of Solid Wastes: Solid waste is commonly known as everything that goes out in trash. The various sources are: (i) Municipal solid wastes contain wastes from the homes, offices, schools, hospitals, etc., that are collected and disposed by the municipality. It generally consists of paper, [...]