Noise is defined as any unwanted or harmful sound created by human activities, including noise emitted by means of transport, by road, rail, air traffic, and industrial sites.
Noise, like all sounds, is measured by the intensity and frequency of the waves that hit the ear. The unit used to measure the noise level is decibels (dB). The higher the number of decibels, the higher the noise and the more harmful it becomes to the ears.
The factors that influence the generation of high noise levels are many, but the most important are:
• Urban planning is not integrated w...

Air pollution is defined as the presence of harmful substances and concentrated particleshigher than the nationally set levels. Since the beginning of the industrial revolution,the change in the composition of the atmosphere is due to the use of fossil fuelsfor power generation and transport.Air pollution has negative impacts on the environment in which we live. It causes problemshuman and animal health, damages plants, pollutes water, threatens aquatic life, deterioratesvisibility. Also, air pollution is the cause of the formation of acid rain, global warmingand smog.The sources of air pol...