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.
Soil is the loose material that covers the land surface of the earth, supports the growth of plants and acts as a habitat for numerous organisms.
The concept of joint forest management was initiated on a large scale through guidelines issued by the government of India in 1990. According to those guidelines the village communities are to be involved in the development and protection of degraded forests based on taking their genuine share of benefits from those forests.
Substances that cause pollution of air are called as air- pollutants or atmospheric pollutants. These are fine Primary Pollutants that contribute more than 90 percent of global air pollution. These fine pollutants are carbon monoxide (CO); Nitrogen oxides (NOx); Sulphur oxides (Sox) and particulates. These pollutants can be put into two broad categories A. Gaseous Pollutants, and B. Particulates.
The Envelope of air held around the earth by its magnetic force, gravity or geomagnetism, is called the atmosphere.
Conservation of species in their natural habitats- in areas where they occur under normal conditions is called in-situ conservation.
This type of conservation strategy protects the entire area. Such an area is protected and maintained to conserve all the known or unknown species inhabiting it.
In this type of conservation, species are not isolated or provided with health care, food, or mating facilities. Only factors detrimental to species’ existence and development are eliminated in this conservation strategy. Human interference, such as hunting, cutting down trees, collecting firewood, etc., is completely banned in such areas.
Species become endangered due to both natural and anthropogenic causes. Since man has no control over natural causes, we should consider anthropogenic causes only. Anthropological causes may be classified into two fundamental categories: Direct Causes and Indirect or underlying causes.
The conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and earth soils.
It usually focuses on human needs and interests, which include the biological, economic, cultural, and recreational values of the natural environment.
Conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and soils.
The predominant features that create structural complexity in the environment, such as plants or animals are called as a habitat.
A process, in which natural habitat is rendered functionally unable to support the plants and animals occupying it, is named as Habitat destruction. In the process of habitat destruction, plants and animals that previously used the place are displaced or destroyed, reducing biodiversity.
