Introduction of Environmental engineering.
Environmental engineering is application of science and engineering principles to make a healthy environment, to provide potable water, clean air and land to accommodate all creatures. It is the study of land, air, water, life and complex interactions between all. ENVIRONMENT An environment is everything that is around us which includes both living and non-living things and their surroundings. It helps in feeding life on the earth. It involves land, air, water and life. Lithosphere It indicates the soul body, it means earth. It is the hard & rigid outer layer of earth. It includes crust, core and mantle. Atmosphere It is the layer of gases surrounding the earth. Nitrogen, Oxygen, Argon and Carbon-dioxide are major gases. Rest of gases are called trace gases. Hydrosphere It represents the water body present in our environment. All liquids & frozen surface water, ground water held in soil & rock, atmospheric water vapour. Biosphere The place on the earth where life