Light pollution refers to excessive, obtrusive and unwanted artificial lighting. It is the alteration or degradation of natural light in the environment by the introduction of artificial lights. Light pollution is also known as luminous or photo pollution. It is caused as a result of industrialization and modernization.
Human beings never have to live in the dark anymore. Our surroundings are illuminated at night by various artificial lights. But with immoderate and extreme lighting use, we are faced with some damaging effects. Light pollution refers to the excessive and unnecessary artificial lights that are introduced to the natural environment at night.
Before we invented civilization our ancestors lived mainly in the open out under the sky. Before we devised artificial lights and atmospheric pollution and modern forms of nocturnal entertainment we watched the stars. – Carl Sagan Human beings have engineered the night so that we don’t have to be in the dark anymore. However, its advantages are not without adverse effects which is known as light pollution.
Air pollution refers to the introduction of substances into the atmosphere that inflict harm on the health of living things and degrade the quality of the environment. Exhaust from automobiles, emissions from industries, suspended particles and gases are among the unwanted substances that are deteriorating the quality of air around us.
There are various factors causing air pollution; natural and anthropogenic, which contribute to the introduction of particulates and gases into the atmosphere.
Air pollution is the introduction of harmful and unwanted substances like auto emissions, dust and gases, suspended particles, chemicals etc. into the air around us.
Air pollution has now become a commonplace word in our lives. It is everywhere and people all over the world are experiencing adverse effects on their health due to the deteriorating quality of air. The damaging consequences of polluted air are evident in every city around the world. Thick clouds of smog can be seen hanging in the horizon of urban cities which are being polluted by several indoor and outdoor sources.
Air pollution is a pressing concern among the different environmental issues that are prevalent in the world. It is the reason behind hundreds of thousands premature deaths in several countries.