Environmental_Science_&_Engineering - Environmental Science...

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Environmental Science and EngineeringPage 1 of 73©Einstein College of EngineeringENVIRONMENT, ECOSYSTEM AND BIODIVERSITYDEFINITION, SCOPE AND IMPORTANCEEnvironmental science is the study of nature and the facts about environment.Basicallyenvironment can be defined as “all the social,economical, physical & chemical factors thatsurrounds man” (or) “all abiotic and biotic components around man-all living and non livingthings 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 andenergy.The human were disciples of nature.They were able to protect themselves fromharmful one and protect the others.But according to modern man the env. is only air land andwater.Exploitation of various earth resources to satisfy the increasing needs of humanpopulation has resulted in 1) depletion of various resources of earth 2) pollution.Principles of environmental education:Examine the major environmental issuesdiscover the root causedevelop problem solving skillspromote co-operation in solving problemsemphasis 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. AuditPreventing pollution from existing and new industriesStopping the use of biological and nuclear weaponsManaging unpredictable disasters etc.Public awareness:Environmental Pollution or problems cannot be solved by mere laws.Public participation isan important aspect which serves the environmental Protection.Public awareness of environmental Is at infant stage30-40% of public of developing country are aware of environmental. Problems but theydo not bother about it.Ignorance and incomplete knowledge has lead to misconceptions
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Environmental Science and EngineeringPage 2 of 73©Einstein College of EngineeringDevelopment and improvement in std. of living has lead to serious environmentaldisastersDebate on environmental Issues are treated as anti-developmentalReasons for environmental Ignorance:science, technology and economics failed to integrate the knowledge on environmentalAspects in curriculumthe decision makers do not process environmental Angle of decision makingconsideration of economic growth, poverty eradication has lead to environmentalDegradationonly few developmental activities are made considering the environmental Aspects.Need For Public Awareness:The United Nations Conference on Environment and Development held at Reo de Janeiroin 1992 (popularly known as „Earth Summit‟) and world summit on sustainable development atJohannesburg in 2002, have highlighted the key issues of global environmental concern.Theyhave attracted the attention of people.

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Martin/Solomon
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