Environmental studies, module 1
- 1. SUBJECT: ENVIRONMENTAL STUDIES Module 1: Environmental studies By, Navya S T Teaching assistant Davangere University
- 2. INTRODUCTION • The term environment means surroundings and is generally used as an abstract concept. The surroundings may be natural, man-made, physical, chemical or biotic. • The growth, behaviour and life history of an organism, are therefore, influenced by the environment in which they live.
- 3. MEANING • ENVIRONMENT : It refers to the sum to the total of conditions which surround man at a given point in space and time. • ENVIRONMENTAL STUDIES: are the scientific study of the environmental system & the status of its inherent or induced changes on organism.
- 4. NATURE • Environmental studies deal with every issue that affect an organism. • It is essentially a multidisciplinary approach that bring about an integrity.
- 5. SCOPE • Environment is a subject matter not only science but also social, humanities, management. • Save environment for present and future generation • Protect and preserve environmental resources.
- 6. IMPORTANCE • To clarify modern environmental concepts. • To know the more sustainable way of living. • To use natural resources more efficiently. • To aware and educate people regarding environmental issues.
- 7. Need for public awareness • To protect the environment • To take active role in protecting the environment • To aware people regarding environment with the help of mass media
- 8. Natural resources • It refers to any form of energy or matter essential for the fulfillment of physiological, socio economical, and cultural needs, both at the individual level and that of the community. • Ex: Water, soil, air, minerals, coal, forest etc.
- 9. Renewable and non renewable resources • Renewable resources: is a natural substance that their supply replenishes naturally or can be sustained. Ex: sunlight, wind etc • Non renewable resources: is a natural substance that is not replenished with the speed at which it is consumed. Ex: Fossil fuels such as coal and petroleum
- 10. Use and over-exploitation/utilization of various resources consequences A) Deforestation • Trees are cut down • Land is used for settlements, cultivation etc • Construction of dams for irrigation facility • Resulting in damage to habitat.
- 11. Continue… B) Green house gas increase • Industrial revolution increases carbon dioxide emission rapidly • Emission from automobiles • Resulting in global warming
- 12. Continue… C) Water pollution • Industries are situated beside water bodies • Pollutants are discharged into water bodies • Water pollution occurs • Affects aquatic plants and organisms
- 13. Continue… D) Soil erosion • Soil erosion is increased by more than 40% • Deforestation, construction of roads, urbanization etc are causes
- 14. Role of an individual in conservation of natural resources A) Conversation of water B) Conversation of energy C) Conversation of soil
- 15. Equitable use of resources for sustainable lifestyles • Reduction of the unsustainable and unequal use of resources, and control of our population growth are essential for the survival of our nation and indeed of human kind everywhere. • ‘Development’ has not reached them and they are often unjustly accused of ‘exploiting’ natural resources. They must be adequately compensated for the removal of the sources to distant regions and thus develop a greater stake in protecting natural resources.
- 16. Continue… • There are several principles that each of us can adopt to bring about sustainable lifestyles. This primarily comes from caring for our Mother Earth in all respects. • A love and respect for Nature is the greatest sentiment that helps bring about a feeling for looking at how we use natural resources in a new and sensitive way. If we respect our nature’s wealth we cannot commit acts that will deplete our life supporting systems.