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.
We have been hearing about environmental pollution, loss of biodiversity, energy crisis, and the sustainable environment since long. So many things have already been infused in school syllabi as well. But how many of us really apply in our real life the things about which we have read in our classes? If you collect yourselves and think seriously, you may find that you are still not as careful as you are supposed to be.
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.
In a human being the ingestion of food is brought about in mouth where it is crushed into fine pieces by teeth.
A population is a group of individuals of a particular species occupying a particular area at a specific time.
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.
Aadya a three years girl lives with her Nani, Nanoo, and Mom in a flat of a big apartment. Her mother is a Senior Secondary teacher and her father is a scientist in IIT, Mumbai.
Everyone wishes to increase his body immunity in the current fearful period of corona. Earlier, very few talked about immunity and no- one probably ever talked to make efforts for increasing it.
The environment of our earth has a number of life zones that support birth and development of all types of organisms.
All the life zones of the earth are collectively called as Biosphere.
The biosphere vertically extends into the atmosphere up to about 10 km and downwards into the oceans up to a depth of about6.9 km.
Living beings in environment like animals and plants constitute more than half of the environment in the biosphere. All of these need to be conserved.
Mixing of different solid, liquid or gaseous substances and microorganisms into water, so as to alter its natural qualities is called as water pollution. According to the National Water Commission (1973), water gets polluted if it has not been of sufficiently high quality to be suitable for the highest uses people wish to make of it at present or in future.
Cyclones are extremely disastrous hazards that originate in seawater. These are usually followed by rains and wind of very high speed.In fact, these are atmospheric disasters that occur mainly in coastal areas like coastal regions of Bangla Desh and India.
