Introduction – Radioactivity is a phenomenon in which the nuclei of atoms of certain unstable elements undergo spontaneous disintegration and emit alpha particles, beta particles, and gamma rays. The gamma rays emitted by radioactive substances are a kind of electromagnetic radiation having very high energy and they are extremely harmful to living organisms. The pollution…

Air – It is mainly a mixture of two gases – Nitrogen and Oxygen which is colorless, tasteless, and invisible. Air is an extremely important natural resource, which is essential for all living things due to all the living things breathe in air and exists life on the earth. If the air is polluted with…

The earth’s atmosphere has been keeping a sort of balance between its various constituents over the past billions of years. But the modern human activities such as large scale industrialization, rapid transport systems, changing life styles, and habits like smoking, burning of fossil fuels, and blind deforestation are upsetting the balance of atmosphere. The major…

Oxygen  It is the second most abundant element in the earth’s atmosphere by volume after nitrogen. Oxygen forms about 21 percent of the atmospheric gases. It is an essential element for the building up of living organisms and its life processes such as respiration. The Oxygen Reservoirs Are: Atmosphere –In terms of volume, 21 percent…

Cyclones – It refers to the most intense storms on sea with powerful winds due to low pressure. In this powerful storms large number of trees, electric poles, and houses are damage where the cyclone activates. Today “Nisarg” cyclone is activate in  Arabian sea that damages trees, houses. and many more in Mumbai and several…

The various administrative and legislative measures taken to reduce the pollution and conserve the natural resources on long-term basis are known as environmental planning. Environmental planning includes all that need to be done to improve the environment and several ways of achieving the objective which are discussed below The several  elements of environmental planning are…

Unplanned technical growth in an area disturbs the delicate equilibrium existing in the ecosystem of that area, and may even lead to disastrous results for the organism of that area. So when starting any project for the development of an area, it is necessary to look into the long-term effects of such a project on the environment….

The earth is a solid and there is a mixture of gases surrounding the earth. The mixture of gases is called air. So the mixture of gases or the air envelope which surrounds the earth is called atmosphere. The atmosphere is held to the earth by the force of gravity. The major part of atmosphere…

Glaciers The word glacier has come from the glace (French word) that means ice. Glaciers are also known as “rivers of ice”. Most of the glaciers are made up of snows which are fallen in many years and packed together into solidifying masses of ice. It forms in the winter season in which large quantity…

Ozone Hole There is a thick layer of ozone gas which is placed in the upper atmosphere and acts as a protection for the harmful ultra-violet rays. Due to the ozone layer is present in the upper atmosphere preventing the majority of the ultra-violet radiations coming from the sun. https://www.qries.com/What-do-you-understand-by-the-Ozone-hole/answer/Daneel-Yunus