Archive | Environmental Studies

Ozone is an allotrope of oxygen. Ozone is a gas having 3 atoms of oxygen in its molecule, so the molecular formula of ozone is O3. Ozone is produced by the action of sunlight on oxygen in the upper…

The primitive living organisms were extremely prone to oxidation, so oxygen was a kind of poison for the early organisms. The evidence for the absence of oxygen in the early atmosphere comes from…

Carbon dioxide is present in small amounts in the earth’s atmosphere being about 0.033 per cent of all the atmospheric gases. Though carbon dioxide is present in small proportion in the atmosphere…

Carbon dioxide gas present in atmosphere performs an important function in the atmosphere and produces the green-house effect, leading to the heating up of earth and its atmosphere…

The main points of difference between a box-type and a spherical reflector type solar cooker are in the box-type solar cooker,a plane reflector is used…

The important uses of solar energy are given below solar energy is used for cooking food. This is done by using solar cookers. Solar energy is used for producing electricity needed in space satellites…

Solar energy (or sun’s energy) is responsible for the blowing of wind. This can be explained as follows : The sun-rays fall on the whole earth. But the intensity of sun-rays is much more stronger near…

A solar cell is a device which converts solar energy directly into electricity. Since solar energy is also known as light energy, so we can also say that “solar cell is a device which coverts light energy into electrical energy”…

The energy from oceans is available in many forms. The main forms in which energy is available iron the oceans are : Ocean thermal energy; Energy of sea-waves; Tidal energy; Energy from limit …

The sun-light consists of three types of waves : ultra-violet rays, visible light and infra-red rays, all having different range of wavelengths. Out of these, ultra-violet rays have the shortest wavelengths…

The pollution can be controlled by controlling  municipal sewage, household detergents, atomic blasts, residential localities, house dung, dead animals and other household wastes…

The renewable sources of energy or the alternative forms of energy which can save us from the energy crisis and become the major sources of energy in future are : Solar energy; Waste bio-mass…

The main causes of pollution are like sewage, household detergents, pesticides, weedicides, smokes, automobile exhausts, chemical discharge from industries, decay and putrefaction of household wastes…

Pollution is defined as a deviation from the natural composition of a part of the environment, resulting in adverse effects on life. Pollution is usually brought about by the addition to the environment of waste products of …

Air pollution has increased by urbanization and industrialization. Rural areas are being converted to urban areas continuously and unplanned industrialization is taking place. This leads to felling of large number…

Conservation of forests and protection of wildlife are essential for the protection of the environment. Following are the central Acts related to forests and wild life, which are operative in India.