The processes of development through years have spurred on unplanned urbanization, extensive industrialization followed by different types of pollutions, construction of a series of mega dams, and large-scale application of Agro-chemicals.
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment. In definitional terms, solid and liquid waste management is the collection, transportation, processing, recycling, treatment and disposal of waste materials.
It is the unthinkable huge magnitude of all the ill effects of pollution and its ever-increasing nature, which has forced the whole of humanity to do a great deal of serous thinking about its attitude towards the relationships with the natural environment.
There are many different types of technologies or technological models- such as Low-tech, Hi-tech, alternative, intermediate, appropriate, blended, hard, and soft technologies.
Flowers are most beautiful and attractive parts of a plant. These contain reproductive structures- male and female. Flowers containing any one of these structures are known as unisexual whereas flowers containing both the reproductive structures are known as bisexual.
The condition produced due to ‘substances put into air by the activity of mankind into concentration sufficient to cause harmful effects to his health, vegetables, property or to interfere with the enjoyment of his property’ is called as air pollution or the atmospheric pollution
Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably. Most of our natural resources like air, water and soil have gone bad due to pollution of different types. What is pollution?
Energy is essential for working and survival of all the organisms on this planet. In fact, it is the energy which enables organisms to perform their biological functions.
On the local and regional levels, air pollution creates various types of problems against living and non- living environment. In the living environment it causes different types of physical, physiological and mental diseases.
Tribal people of Jharkhand worship Karam Tree during their Karma Pooja. During this Pooja twigs of Karam Tree are planted at a sacred place. The Pahans (Purohits) worship these branches.
Madua or ragi or finger millet which falls under coarse grain is a very nutritive diet. The Indian Government has declared an integrated policy to encourage the use of coarse grain. Through it is clear that importance of coarse grain is about to rise in near future.
Hindus and Hindu tribals believe that certain Gods live on some trees. They worship these trees and protect by all means. These trees are called as sacred groves.
