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.
An activity that serves as one’s regular source of livelihood is called as occupation.
Modern development has caused a number of environmental problems at local, regional, national and international levels. Global Climate Change, depletion of ozone layer, increasing inequality, reduction in the means of livelihood for poor, scarcity of food, increasing number of disasters, extinction of species, falling underground water table etc. are some of the major environmental problems created by modern unsustainable development. These problems are challenging the existence of human race on this planet.
Acrowd of women listening the lecture about malnutrition.
Most animals of the same kind have same body parts. But their body parts differ in size, shape, colour and functions.
Earlier women had to do most of the work in household. But, the trend is changing now. Both men and women have to do all the work now. The Inequality at the work place is vanishing now.
As per an assessment, about 600 million people inhabited urban areas of the world in the year 1950. But now urban areas have been recorded to be inhabited by about half of the total population.
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.
Landslides are very common in rainy season. Rains caused serious conditions during previous some weeks this year in many villages of Maharashtra. Many of these villages that were located in the laps of mountains vanished within no time.
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.
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
