Pressure and wind belts

Pressure and wind belts Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of mercury … Read more Pressure and wind belts

Water Resources of India

Water Resources Rainfall: With an average annual rainfall of 1,170 mm, India is one of the wettest countries in the world. At one extreme are areas like Cherrapunji, in the northeast, which is drenched each year with 11,000 mm of rainfall, and at the other extreme are places like Jaisalmer, in the west, which receives … Read more Water Resources of India

Human role in pollution control, Environment and human health; Effects of pollutants on animals and plants; urbanisation and industrial development.

Human role in pollution control The enhanced pace of developmental activities and rapid urbanization have resulted in stress on natural resources and quality of life. The trend of increasing pollution in various environmental media is evident from the deteriorating air and water quality, higher noise levels, increasing vehicular emission etc. Realising the urgent need for … Read more Human role in pollution control, Environment and human health; Effects of pollutants on animals and plants; urbanisation and industrial development.

European Economic Community

European Economic Community The European Economic Community (EEC) was a regional organisation which aimed to bring about economic integration among its member states. It was created by the Treaty of Rome of 1957. Upon the formation of the European Union (EU) in 1993, the EEC was incorporated and renamed as the European Community (EC). In … Read more European Economic Community

Origin of Continents & Oceans

Introduction to Continents and Ocean Basins Continents and ocean basins being fundamental relief features of the globe are considered as ‘relief features of the first order’. It is, therefore, desirable to inquire into their mode of possible origin and evolu­tion. Different views, concepts, hypotheses and theo­ries regarding the origin of the continents and ocean basins … Read more Origin of Continents & Oceans

The Solar System

The Solar System The solar system consists of the Sun and its eight main planets, their satellites, asteroids, comets, meteors and other dwarf planets. The Sun is at the one of the two Centers of the Solar system and the planets revolving around it in elliptical orbits. Let us take a look at some quick … Read more The Solar System

Tribes : Habitat, Economy and Society of Gonds, Bhils,Santhals, Nagas, etc and Trends of their Transformation.

TRIBES OF INDIA Tribals constitute 8.61% of the total population of the country, numbering 104.28 million (2011 Census) and cover about 15% of the country’s area. The fact that tribal people need special attention can be observed from their low social, economic and participatory indicators. Whether it is maternal and child mortality, size of agricultural … Read more Tribes : Habitat, Economy and Society of Gonds, Bhils,Santhals, Nagas, etc and Trends of their Transformation.

Types of pollution and their management; air, water, soil, sound/noise, radioactive and e-waste. Industrial waste and its management. Impact of Solid Waste Management, recycling and reuse,

ENVIRONMENT POLLUTION defined as ‘an addition or excessive addition of certain materials to the physical environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications 1. According to the form in … Read more Types of pollution and their management; air, water, soil, sound/noise, radioactive and e-waste. Industrial waste and its management. Impact of Solid Waste Management, recycling and reuse,

Concept of Sustainable Development

Mahatma Gandhi’s principle of “enoughness” in his saying “the earth provides enough to satisfy every persons need but not for every person’s greed” According to World Commission on Environment and Development, Our Common Future (1987) , Sustainable development is development that meets the needs of the present without compromising the ability of future generations to … Read more Concept of Sustainable Development