Pollution occurs in different forms; air, water, soil, radioactive, noise, heat/ thermal and light. Every form of pollution has two sources of occurrence; the point and the non-point sources. The point sources are easy to identify, monitor and control, whereas the non-point sources are hard to control.
Communication is a means of passing an information signal from source (sender) to a recipient (receiver) in such a way that the message is understood. communication is the act of interaction,sharing ideas and information between two peoples.
For a broader coverage related to this topic, see Communication. Human communication, or anthroposemiotics, is the field dedicated to understanding how humans communicate. Human communication is grounded in cooperative and shared intentions. Humans have communication abilities that other animals do not.