What are the Alternative Sources of Energy for Mankind?

What are the alternative sources of energy after the depletion of fossil fuels ? The fuel for future should be convenient, clean, less wasteful of energy and should be renewable so that there is no threat of its depletion. Important energy resources which may be tapped as an alternative...
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The Consequences of Rapid Consumption of Fossil Fuels

Fossil fuels are non-renewable resources. Over-consumption of these resources shall naturally cause their depletion which shall result in a chain of reactions culminating into drastic changes in economies, pattern of agriculture and even our daily lives. As estimated till date our oil supplies shall be the first to run...
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The Dependence of Human Society on Fossil Fuels

Fossil fuels have become essential for human society. Their consumption in terms of coal equivalent was about 1 billion metric tons in 1900 A.D. and about 3 billion metric tons in 1950 A.D. It jumped to about 12 billion metric tons by 1985-86. Electricity which we use largely comes...
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What are the most Conventional Sources of Energy for Mankind?

Conventional sources of energy for the human society are those which have been in use since a long time and have become a convention. Since times immemorial man has been using diverse sources of energy. However, most of energy which mankind has been using or which mankind still uses,...
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Short essay on Global Energy Consumption

Minimum per capita energy requirement of man is about 2000 kcals. Which is the quantity required to keep him alive and is obtained from food he eats. In a primitive society, apart from cooking, lighting, heating etc. there was little need of more energy. Industrial Revolution has, however, brought...
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Short paragraph on Energy Resources

Before 1700 A.D. most of the power available to human society was limited to solar energy trapped by green plants which produced organic matter. It was the biological oxidation of this organic matter which fuelled the muscle power while combustion of organic matter provided energy for other purposes such...
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Short essay on Self-Sustainability of Natural Ecosystems

All natural ecosystems have the capability to run and maintain themselves in a state of dynamic equilibrium automatically without any assistance from outside. A zone of natural forests, under a given set of climatic conditions develops and stands on its own for an indefinite length of time – as...
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Living Component of the Environment- the Biosphere

The biosphere forms a thin crust of living beings over the surface of our planet and consists of an immense variety of organisms out of which only about 1.5 million species have been identified and described. The existence and well being of living organisms depend on a system of...
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Short essay on the Importance of Soil to the Biosphere

Soil plays an exceedingly important role in determining the nature and composition of bio­sphere which develops on it. Most of our necessities are fulfilled by the communities of plants and animals which develop on it. Fertile soil is a natural resource of fundamental importance. Important attributes which enable a...
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Information on the Components of Soil and their Importance

The thin crust of loose material which we call soil is a dynamic entity on which the entire man­kind depends for its food supply and many other things. It is a complex collection of organic and inorganic material both living and dead, water and gases in variable proportions. Important...
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