The process of recovering or reusing usable materials from discarded waste is called recycling. For example, about 15 per cent of Sulphuric acid is recycled in chemical manufacturing. In the early days, all the sulphur needed for the production of sulphuric acid was taken out of mines directly. But now, with the prevailing tendencies of recycling, sulphuric acid manufacturing industries are using sulphur from smelters, refineries, etc.
The dictionary meaning of a shelter is – something beneath, behind, or within which a person, animal or anything is protected from adverse conditions, and where it can reproduce is called as a shelter.
Some reports regarding increasing bird trade in endangered species that were published recently in some news papers are matters of concern not alone for the lovers of environment and wildlife but for common public as well.
Land management is the process of managing the use and development of land resources in rural and urban areas. Land resources are used for a variety of purposes which may include organic agriculture, reforestation, water resource management and eco-tourism projects.
Some propagules or seeds incidentally travel long distances and reach to other county. There they germinate and produce new plants.
Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
The tragedies in the environment stimulated the world nations the recognition of which first appeared in the shape of the United Nations Conference on Human Environment for the preservation and enhancement of its quality, at Stockholm from June 6 to June 16 in the year 1972. The delegates from 114 nations attended the conference and signed the Stockholm Declaration.
The Industrial Policy Initiative undertaken by the Central Government in July 1991, made the Indian Industry to compete on International Levels. As a result, an Industrial Licensing Policy was adopted in 1991. It was followed by a number of steps like Liberalization of Foreign Investment in Banking Sector, Technological Collaboration with other countries, Creation of Special Economic Zones and, Simplification of Industrial Licensing and Promotion of Exports etc.
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.
The organic matter formed through degradation of decomposable biomass and which is rich in nutrients for the growth and development of plants is called as compost.
Holi is an ancient Hindu festival which is also called as the Festival of Colours, love and spring.
