In China, tigers in farms number around 4000, while in the wild they are less than 1500, encompassing all the so-called sub species

The dismal situation and poor quality of life in rural India is because of unavailability of energy. It is shown that sophisticated technology can help solve this and other problems of rural areas. A call is made to the global technological community to help provide such technologies. Finally issues of how much energy is needed for sustainable development are discussed.

Deoiled cakes are the residues left after the oil is extracted from the oil containing seeds. They are one of the important organic source for plant nutrients. The deoiled cakes to large extent are used as concentrated organic manures. They contain nitrogen, phosphorus, potassium along with a large percentage of organic matter.

In India, primarily cattle dung is being used as an organic substrate for the production of biogas, however, majority of biogas digesters are underfed. Thus making it essential to evaluate other available organic sources for biomethanation. Various other animal wastes like poultry droppings, sheep droppings, rabbit droppings etc have been evaluated for biomethanation. Beside this, plant and crop residues have also been subjected to the process of anaerobic digestion under different conditions.

Firewood, agricultural residue and animal dung are commonly called biomass fuels. In Bangladesh, biomass is obtained from three sources - trees, field crops and livestock. Biomass is important for the household purpose, mainly cooking. To save fuel consumption and time, and keep the kitchen clean and free of smoke, an improved cookstove programme has been started by the Government of Bangladesh.

A survey has been carried out in a cluster of four villages in Amaniganj Block of Faizabad District of Eastern Uttar Pradesh in India. The survey is based on primary and secondary data collected from household and village level questionnaires.

It used to be made by Native Americans, but now "terra preta" [black earth] is going industrial under the name "biochar". With modern technology, a number of research institutions are working on ways to compress organic waste products into a coal-like substance.

Casuarina equisetifolia L. and Lantana camara L. leaf litter, sugarcane bagasse and empty oil palm fruit bunch (Elaeis guineensis Jacq.) were converted into charcoal using carbonization process. An increase in temperature from 200