The Environmental Calamities that shook the humanity during fifties and sixties were powerful enough to generate serious and widespread sense of responsibility among world nations towards the global environment. Some of these calamities include : The killer smog in New York and London which claimed 5000 lives in 1952; The mercury poisoning due to the consumption of mercury-contaminated seafood in Japan;
Biogas is a mixture of 56% methane gas (CH4), 40% carbon dioxide (C02) and rest, a mixture of H2, H2S and N2. It is produced by digestion, Pyrolysis and hydro gasification in a specific plant called as Biogas Plant. Biogas plants are of various types like — Janata biogas plant, Dean Bandhu biogas plant, Khadi and Village Industries Corporation (KVIC) type biogas plant, Pragati Design biogas plant and Chinese biogas plant.
April 2 every year is celebrated as the World Autism Day. The aim of the celebration of this day is to create Awareness among parents about this problem with their children.
Games are essential for physical and mental development of children.
Fossil fuels- coal, petroleum and natural gas, are sources of energy and lots of useful substances. They have been and still they are the back bones of the economic developments and the basis of the modern civilization.
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. In the process, different parts of the world have started facing ecological crises.
Ozone absorbs ultraviolet radiations so that much of it is never allowed to reach to the earth surface. The protective umbrella of ozone layer in the stratosphere protects the earth from harmful ultraviolet radiations. Ozone plays an important role in the biology and climatology on the earth’s environment. It filters out all the radiations that remain below 3000Å. Radiations below this wavelength are biologically harmful. Hence any depletion of ozone layer is sure to exert catastrophic impacts on life in the biosphere.
Conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and soils.
The Romance Sanctuary of Characters of Mahua Maji’s Novel- “Marang Goda Neelkanth Hua” the Saranda Forest of Jharkhand is also an undeclared Bird Sanctuary of Numerous native and Migratory Bird Species.
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.
Neighbourhood is a geographically localized community within an area, may it be a rural area, a town or a city, or sub-urban. Neighbourhood are considered as social communities in which face-to-face interaction among people take place.
The mechanical process of breathing involves inspiration and expiration.
