Environmental Studies Comprehensive Notes PDF

11/13/24, 6:47 PM 1. Multidicsiplinary natre of EVS.pptx 1. Multidicsiplinary natre of EV S.pptx Environmental Studies: Comp rehensive Notes Introduction to Environmental Studi...

11/13/24, 6:47 PM 1. Multidicsiplinary natre of EVS.pptx 1. Multidicsiplinary natre of EV S.pptx Environmental Studies: Comp rehensive Notes Introduction to Environmental Studi es Etymology and Definition Environment derives from French word 'Environner' meaning "to encircle" Holistic definition: Comprehensive system of interactions between living orga nisms and external conditions Encompasses land, water, air, and interconnected relationships Key Terminology Environmental Science: Interdisciplinary field studying interactions betwe en physical, chemical, and biological environment components Ecology (Greek origin): 'Oekos' = surrounding 'Logos' = study Literally means "study of surrounding" Objectives of Environmental Studies (UNESCO, 1971) Primary Goals Raise environmental awareness Provide foundational environmental knowledge Develop environmental concern Motivate public participation in environmental protection Develop problem-solving skills Achieve harmony with nature Guiding Principles of Environmental Education Comprehensive Approach Compulsory education from primary to postgraduate levels Interdisciplinary methodology about:blank 1/3 11/13/24, 6:47 PM 1. Multidicsiplinary natre of EVS.pptx Integrates physical, chemical, biological, and socio-cultural aspects Emphasizes sustainable development Promotes international environmental cooperation Prioritizes practical experiences Disciplinary Scope Core Disciplines 1. Environmental Science Scientific study of environmental systems Focuses on biotic and abiotic component interactions Analyzes environmental pollution and degradation 2. Environmental Engineering Technical processes for environmental protection Improves environmental quality Mitigates human activity's negative impacts 3. Environmental Management Considers physical, social, economic environments Encourages proactive environmental investment Covers enterprise objectives, environmental interactions, impact assessme nts Comprehensive Scope of Environme ntal Studies Multifaceted Research Areas Natural resource conservation Ecological systems analysis Biodiversity documentation Disaster cause/consequence understanding Pollution source identification Environmental legislation comprehension Population dynamics Sustainable resource utilization Environmental journalism Environmental Segments Four Primary Segments 1. Atmosphere Protective gas blanket surrounding Earth Radiation absorption/filtration Supports photosynthesis and respiration Facilitates water transportation about:blank 2/3 11/13/24, 6:47 PM 1. Multidicsiplinary natre of EVS.pptx 2. Hydrosphere Encompasses all water resources Covers 75% of Earth's surface Includes oceans, rivers, lakes, glaciers 3. Lithosphere Earth's layered structure Comprises crust, mantle, core Contains rocks and soil 4. Biosphere Global ecosystem Integrates living organisms and abiotic factors Extends 2 kilometers into atmosphere Atmospheric Vertical Structure Layer Altitude Characteristics Composition Temperature decreas Troposphere 0-11 km 75% air, N2 & O2 es Temperature increase Stratosphere Up to 50 km 24% air, Ozone layer s Mesosphere Up to 80 km Coldest layer Meteor burn-up zone Thermospher Up to 1000 k Ion-rich, radio wave reflecti Hottest layer e m on Key Takeaways Environmental studies are critically interdisciplinary Comprehensive understanding requires holistic approach Sustainable development is paramount Practical experience complements theoretical knowledge about:blank 3/3