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;
Conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and soils.
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment.
Following principles and guidelines have been accepted for the control of different types of pollution- A. Prevention of entry into…
It is now a general opinion that if we see something moving, it is alive.
Flowers are most beautiful and attractive parts of a plant. These contain reproductive structures- male and female. Flowers containing any one of these structures are known as unisexual whereas flowers containing both the reproductive structures are known as bisexual.
Jordanov was a famous Italian philosopher, astronomer, mathematician and poet of 16th century. He was born in Shola, Italy in 1548.
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.
Studies and researches that are done in different fields from time to time show increasing complexities in organisms than their ancestors. These studies and evidences show many important evidences of organic evolution.
More than half of the population of the world comprises farmers. These farmers know that maintenance and conservation of natural resources are very important to sustain their livelihoods. However, the demand of more and more food due to exploding population and higher expectations for comfort and wealth forces these farmers to exploit more and more of the natural resources through the application of modern technology.
