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.
Water pollution. the gravest of pollution that affects each and every living organism. Identifying and eliminating the source and cause is must for life to exist and extend on this planet of ours.
Water pollution is a serious threat to the every living organisms on this planet. The main source of this pollution is human activities and few may be natural like emission of natural gases and chemicals. There are several sources of water. Hence the types of water pollution are also many in number, major of which are mentioned below.
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.