Abstract

Contamination is the presentation of contaminants into the characteristic environment that cause antagonistic change. Contamination can take the frame of chemical substances or vitality, such as commotion, warm, or light. Toxins, the components of contamination, can be either outside substances/energies or normally happening contaminants. Contamination is frequently classed as point source or nonpoint source contamination.

Keywords: Light contamination, Littering, Noise contamination