GE8291 ESE Notes
Anna University Regulation 2017 MECH GE8291 ESE Notes, ENVIRONMENTAL SCIENCE AND ENGINEERING Lecture Handwritten Notes for all 5 units are provided below. Download link for MECH 2nd Sem ENVIRONMENTAL SCIENCE AND ENGINEERING Notes are listed down for students to make perfect utilization and score maximum marks with our study materials.
GE8291 ESE ENVIRONMENTAL SCIENCE AND ENGINEERING
UNIT – I
ENVIRONMENT, ECOSYSTEM AND BIODIVERSITY
DEFINITION, SCOPE AND IMPORTANCE
CHAPTER 1 ENVIRONMENT, 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”.
1.2 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 environment 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.
1.3 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.
1.4 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
Development and improvement in std. of living has lead to serious environmental disasters
Debate on environmental Issues are treated as anti-developmental
1.5 Reasons for environmental Ignorance:
Science, technology and economics failed to integrate the knowledge on environmental Aspects in curriculum the decision makers do not process environmental Angle of decision making consideration of economic growth, poverty eradication has lead to environmental Degradation only few developmental activities are made considering the environmental Aspects.
1.6 Need For Public Awareness:
The United Nations Conference on Environment and Development held at Reo de Janeiro in 1992 (popularly known as “Earth Summit”) and world summit on sustainable development at Johannesburg in 2002, have highlighted the key issues of global environmental concern. They have attracted the attention of people. Any government at its own cannot achieve the goals of clear
environment until the public participate in action. Public participation is possible only when the public is aware about the ecological and environmental issues. Eg. Ban- the littering of polythene.
1.7 Methods to propagate environmental Awareness:
1. Among students through education – introducing environmental studies in the curriculum.
2. Among public through mass media- environmental programmmes through TV, radio etc.
3. Among decision makers, planners, leaders etc.
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GE8291 ESE Notes
Anna University 2nd Sem MECH ESE Lecture Handwritten Notes
GE8291 ENVIRONMENTAL SCIENCE AND ENGINEERING Notes free download
Anna University MECH ESE Notes Regulation 2017
GE8291 Notes, ESE Unit wise Lecture Handwritten Notes – MECH 2nd Semester