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Mercury, one of the most toxic natural elements, is found in sources such as rock formations and volcanoes. Over the past century, anthropogenic sources of mercury have increased dramatically. Many researches estimate that the amount of mercu...
The occurrence of heavy metals in industrial wastewater is of interest because they are often present at significant levels and if discharged into surface waters can have severe effects on the environment and public health. The determination ...
We have had it good for many years, using and misusing fuels supplies at will for countless years. In the United States, the average consumption of oil equates to three gallons per day. That is for every man, woman and child of the population...
PROMOTION AND IMPEMENTATION OF BIOGAS TECHNOLOGY IN INDIA India took a big leap foreword in the promotion of renewable energy, especially the two most appropriate rural based technologies, namely, biogas and smokeless & efficient b...
Introduction The consumption and demand for the petroleum products are increasing every year due to increase in population, standard of living and urbanization. Diesel consumption pattern in India has not varied much and is aroun...
Biofuels are going to play an extremely important role in meeting India’s energy needs. The country\'s energy demand is expected to grow at an annual rate of 4.8 per cent over the next couple of decades. Most of the energy r...
Introduction Aristotle called worms the “intestines of the earth” and stated that there may not be any other creature that has played so important a role in the history of life on earth. Earthworms constitute a large part o...
Vermiculture in India In the past ten years an organization in India has prompted over 2,000 farmers and institutions to switch from conventional chemicals to the organic fertilizer, vermicompost. Noted for its ability to increase organic ma...
1.0 PREAMBLE 1.1 The survival and well-being of a nation depend on sustainable development. It is a process of social and economic betterment that satisfies the needs and values of all interest groups without foreclosing future options. To t...
1. A ‘waste’ is ‘a resource remaining unutilized’ or ‘a resource out of place’. For example, out of the food that we consume, only a part is ‘utilized’ by the body system and the balance is thro...