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.
Roots of plants too, respond to the changes in climate.
The technique of carbon fixation has been developed by Dr. Ram Swaroop Meena of Banaras Hindu University, U.P. – India who has potentized his technique entitled “Low cost Biochar with Integrated Nutrient Management”.
We may know that there are two types of disasters: Natural and Manmade or Human Induced Disasters. Disasters that occur…
Great diversities are found in terms of sexual reproduction among animals.
Environment and its components like wildlife and Natural Resources constitute the vital life support system for all life on this planet. The protection of these through the cumulative efforts of the world community started across globe due to the persistent efforts of the United Nations through its Environmental Programme (UNEP).
Most of the ponds and lakes are drying up. The ground water level is falling down. As such the city is moving to grave water crisis.
Land management is the process of managing the use and development of land resources in rural and urban areas.
Biodiversity and other sources supply raw materials to many important industries. They have aesthetic value and appeal for ecotourism, which supports the growth of the national economy. They are also potential sources of pharmaceuticals, other chemicals, agricultural materials, etc.
Mixing of different types of substances in soil- which affects its natural qualities, and reduces its fertility- is called as soil pollution. Some environmentalists define soil pollution as – build-up of toxic chemical compounds, salts, pathogens or radioactive materials in soil that can affect plant and animal life adversely, is called as soil pollution.
I did not know about the Valentine’s Day or the Valentine’s Week even till I was married. I don’t know either when I knew about it.
Acrowd of women listening the lecture about malnutrition.
