ENVIRONMENT, ECOSYSTEM AND BIODIVERSITY
DEFINITION, SCOPE AND IMPORTANCE
Environmental science is the study of nature and the facts about environment. Basically environment can be defined as “all the social, economical, physical & chemical factors that surrounds man” (or) “all abiotic and biotic components around man-all living and non living things surrounds man”.
Environment Components can be divided into biotic and abiotic components.
According to ancient man the environment was the Panchaboodhas (i.e) air, water, land, sky and energy. The human were disciples of nature. They were able to protect themselves from harmful one and protect the others. But according to modern man the env. is only air land and water. Exploitation of various earth resources to satisfy the increasing needs of human population has resulted in 1) depletion of various resources of earth 2) pollution. Principles of environmental education:
Examine the major environmental issues
discover the root cause
develop problem solving skills
promote co-operation in solving problems
emphasis active participation in prevention and solution to problems.
Scope of environmental science:
Studying the interrelationship between the components of env.
Carrying out impact analysis and env. Audit
Preventing pollution from existing and new industries
Stopping the use of biological and nuclear weapons
Managing unpredictable disasters etc.
Public awareness:
Environmental Pollution or problems cannot be solved by mere laws. Public participation is an important aspect which serves the environmental Protection.
Public awareness of environmental Is at infant stage
30-40% of public of developing country are aware of environmental. Problems but they do not bother about it.
Ignorance and incomplete knowledge has lead to misconceptions
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