Textbook of Environmental Sciences
eBook - PDF

Textbook of Environmental Sciences

  1. English
  2. PDF
  3. Available on iOS & Android
eBook - PDF

Textbook of Environmental Sciences

About this book

The Book is designed as per the requirement of the MTU, UPTU, undergraduate students who face great difficulty in reading, understanding and reproducing english language in the examination and as a reference book in environmental sciences. Thus, the book is specially written in very easy language, with clear-cut concepts to help inculcate the applications of environmental sciences in engineering curriculum to develop an approach towards green engineering, to enable our students preferred by market in the coming scenario of natural resource crunch. It is in accordance with examination pattern. The salient features of the book are: (1) Simpler English language (2) The content is accompanied by lots of flow diagrams. (3) Teaching of this subject with emphasis on Green Engineering. (4) Case studies. (5) Objective questions. (6) As per examination pattern..

Frequently asked questions

Yes, you can cancel anytime from the Subscription tab in your account settings on the Perlego website. Your subscription will stay active until the end of your current billing period. Learn how to cancel your subscription.
At the moment all of our mobile-responsive ePub books are available to download via the app. Most of our PDFs are also available to download and we're working on making the final remaining ones downloadable now. Learn more here.
Perlego offers two plans: Essential and Complete
  • Essential is ideal for learners and professionals who enjoy exploring a wide range of subjects. Access the Essential Library with 800,000+ trusted titles and best-sellers across business, personal growth, and the humanities. Includes unlimited reading time and Standard Read Aloud voice.
  • Complete: Perfect for advanced learners and researchers needing full, unrestricted access. Unlock 1.4M+ books across hundreds of subjects, including academic and specialized titles. The Complete Plan also includes advanced features like Premium Read Aloud and Research Assistant.
Both plans are available with monthly, semester, or annual billing cycles.
We are an online textbook subscription service, where you can get access to an entire online library for less than the price of a single book per month. With over 1 million books across 1000+ topics, we’ve got you covered! Learn more here.
Look out for the read-aloud symbol on your next book to see if you can listen to it. The read-aloud tool reads text aloud for you, highlighting the text as it is being read. You can pause it, speed it up and slow it down. Learn more here.
Yes! You can use the Perlego app on both iOS or Android devices to read anytime, anywhere — even offline. Perfect for commutes or when you’re on the go.
Please note we cannot support devices running on iOS 13 and Android 7 or earlier. Learn more about using the app.
Yes, you can access Textbook of Environmental Sciences by Agarwal, Divya in PDF and/or ePUB format, as well as other popular books in Biological Sciences & Ecology. We have over one million books available in our catalogue for you to explore.

Table of contents

  1. Acknowledgements
  2. Foreword
  3. 1. Environment, Environmental Sciences and Ecology
  4. 1.1 Environment
  5. 1.2 Components of Environment
  6. 1.2.1 Atmosphere (Air)
  7. 1.2.2 Hydrosphere
  8. 1.2.3 Lithosphere
  9. 1.2.4 Biosphere
  10. 1.3 Environmental Sciences
  11. 1.3.1 Multidisciplinary Nature of Environmental Sciences
  12. 1.3.2 Scope of Environmental Sciences
  13. 1.3.3 Importance of Environmental Sciences
  14. 1.4 Ecosystem
  15. 1.4.1 Definition of Ecosystem
  16. 1.4.2 Concept of Balanced Ecosystem
  17. 1.4.3 Biosphere
  18. 1.4.4 Ecology
  19. 1.4.4.1 Understanding Ecology
  20. 1.4.5 Characterization of Ecosystems
  21. 1.4.5.1 Structure of Ecosystem
  22. 1.4.5.2 Food-Chains and Food-Web
  23. 1.4.5.3 Types of Ecosystem
  24. 1.4.6 Functions of an Ecosystem
  25. 1.4.7 Biogeochemical Cycling/Nutrient Cycling
  26. 1.4.7.1 Sulphur Cycle
  27. 1.4.7.2 Carbon cycle
  28. 1.4.7.3 Nitrogen Cycle
  29. 1.4.8 The Y-Shaped Energy Flow Model
  30. 1.4.9 Ecological Pyramids
  31. 2. Effect of Human Activities on Environment
  32. 2.1 Food, Shelter, Economic and Social Security
  33. 2.1.1 Food Security or Sustainable Food Supply System
  34. 2.1.2 Challenges to Food Security
  35. 2.1.3 Shelter Security
  36. 2.1.4 Economic Security
  37. 2.1.5 Social Security
  38. 2.2 Effect of Human Activities on Environment: Agriculture, Housing, Industry, Mining and Transportation Activities
  39. 2.2.1 Effect of Modern Agriculture on Environment
  40. 2.2.2 Effect of Housing on Environment
  41. 2.2.3 Effect of Power Generation on Environment
  42. 2.2.3.1 Effect of River Valley Projects (Water Resource Projects) on Environment
  43. 2.2.4 Effect of Mining on Environment
  44. 2.2.5 Effect of Transportation Activities on Environment
  45. 2.2.6 Effect of Tourism on Environment
  46. 3. Natural Resources
  47. 3.1 Types of Natural Resources
  48. 3.2 Natural Resources Availability and Problems or Natural Resource Crisis and Population Explosion
  49. 3.3 Water as a Vital Natural Resource
  50. 3.3.1 Water Cycle (Hydrological Cycle)
  51. 3.3.2 Availability and Quality Aspects (groundwater depletion)
  52. 3.3.3 Water-borne and Water-induced Diseases
  53. 3.3.4 Fluoride Problem in Drinking Water
  54. 3.3.5 Arsenic Problem in Drinking Water
  55. 3.4 Minerals as a Natural Resource
  56. 3.5 Forest as a Natural Resource
  57. 3.5.1 Over-Exploitation of Forest Resources
  58. 3.5.2 Conservation of Forest Resources
  59. 3.6 Food Resources
  60. 3.6.1 Conservation of Food Resources: Sustainable Agriculture (Organic-Farming) or Solution to Modern Agriculture
  61. 3.7 Land as an Important Natural Resource
  62. 3.7.1 Land Degradation
  63. 3.7.2 Wasteland Reclamation (restoration)
  64. 4. Biodiversity
  65. 4.1 Definition of Biodiversity
  66. 4.2 Hierarchical Classification/Origin of Biodiversity
  67. 4.3 Significance of Genetic Biodiversity
  68. 4.4 Measurements or Measures of Biodiversity
  69. 4.5 Taxonomic Classification of Biodiversity
  70. 4.6 India as a Mega-diversity Nation or Biogeographic Zones of India
  71. 4.7 Hotspots of Biodiversity
  72. 4.8 Threats to Biodiversity/How Man-made Extinction of Biodiversity is Caused?
  73. 4.9 Endemic Species of India
  74. 4.10 Endangered Species of India
  75. 4.11 Threatened Species of India (Eastern Himalayas)
  76. 4.12 Conservation of Biodiversity or Biodiversity Management
  77. 4.12.1 Types of Conservation of Biodiversity
  78. 4.12.2 Conservation Tools (Techniques) of Biodiversity
  79. 4.13 International Efforts to Save Biodiversity
  80. 4.14 Values (or uses or importance or benefits) of Biodiversity
  81. 5. Energy Resources
  82. 5.0 Daily Life Examples: Save Energy Cartoon Series
  83. 5.1 Population Explosion
  84. 5.2 Classification of Energy Resources
  85. 5.3 Major Differences between Conventional and Non-conventional Energy Resources
  86. 5.3.1 Renewable (Non-conventional) Energy Resources
  87. 5.3.1.1 Solar Energy Applications
  88. 5.3.1.2 Hydro Energy
  89. 5.3.1.3 Wind Energy
  90. 5.3.1.4 Marine Energy or Ocean Energy
  91. 5.3.1.5 Tidal Energy
  92. 5.3.1.6 Geothermal Energy
  93. 5.3.2 Alternate Energy Sources
  94. 5.3.2.1 Hydrogen as a Fuel for Future or Hydrogen as an Alternative Energy Source
  95. 5.3.2.2 Microbial Fuel Cell
  96. 5.3.2.3 Energy Context with Respect to Indian Scenario
  97. 5.3.2.4 Energy Plantation
  98. 5.3.3 Conventional (Non-Renewable) Energy Resources
  99. 5.3.3.1 Fossil Fuels or Fossil Fuel Based Energy
  100. 5.3.3.2 Nuclear Energy
  101. 5.4 Steps of Government to Conserve Energy
  102. 6. Sustainable Development
  103. 6.1 Sustainable Development
  104. 6.2 Principles of sustainability
  105. 6.3 Measurement of Sustainability or Sustainable Ethics or Equitable Utilisation of Natural Resources
  106. 6.4 Sustainable Lifestyle (Role of an individual in sustainable development)
  107. 6.5 Challenges to Sustainable Development
  108. 6.6 International Efforts to Achieve Sustainability
  109. 7. Environmental Pollution
  110. 7.1 Environmental Pollution
  111. 7.1.1 Air Pollution
  112. 7.1.1.1 Sources of Air Pollution
  113. 7.1.1.2 Effects of Air Pollution
  114. 7.1.1.3 Classification of Air Pollutant
  115. 7.1.1.4 Control Measures of Air Pollution
  116. 7.1.1.5 Air Pollution Disasters
  117. 7.1.1.6 Long Range Transport of Gaseous Air Pollutants
  118. 7.1.1.7 National Ambient Air Quality Standards
  119. 7.1.2 Water Pollution 135
  120. 7.1.2.1 Sources of Water Pollution
  121. 7.1.2.2 Types of Water Pollutants
  122. 7.1.2.3 Effects of Water Pollution
  123. 7.1.2.4 Water Quality Standards
  124. 7.1.2.5 Control of Water Pollution
  125. 7.1.3 Thermal Pollution
  126. 7.1.3.1 Sources of Thermal Pollution
  127. 7.1.3.2 Effects of Thermal Pollution
  128. 7.1.3.3 Control of Thermal Pollution
  129. 7.1.4 Waste Water Treatment Plant
  130. 7.1.5 Soil Pollution or Land Degradation
  131. 7.1.5.1 Sources of Soil Pollution
  132. 7.1.5.2 Effects of Soil Pollution
  133. 7.1.5.3 Control Measures
  134. 7.1.6 Solid Waste
  135. 7.1.6.1 Sources of Solid Waste
  136. 7.1.6.3 Effect of Solid Waste
  137. 7.1.6.3 Control Measures of Solid Waste
  138. 7.1.7 Status of Solid Waste Management in India
  139. 7.1.8 Hazardous Waste Management (HWM)
  140. 7.1.9 Noise Pollution
  141. 8. Environmental Impact Assessment 154
  142. 8.1 Environmental Impact Assessment (EIA)
  143. 8.2 Government Body which Executes EIA in India
  144. 8.3 Environmental Effects Analysed under EIA
  145. 8.4 Process of EIA
  146. 8.5 EIA Ruling 1984
  147. 9. Environmental Laws
  148. 9.1 Environmental Laws: Provisions in the Indian Constitution towards Environmental Protection
  149. 9.1.1 Salient Features of Air (Prevention and Control of Pollution) Act, 1981
  150. 9.1.1.1 Amendments
  151. 9.1.1.2 Concluding Remarks of Air (Prevention and Control of Pollution) Act, 1981
  152. 9.1.2 Salient Features of Water (Prevention and Control of Pollution) Act, 1974
  153. 9.1.2.1 Concluding Remarks of Water (Prevention and Control of Pollution) Act, 1974
  154. 9.1.3 Salient features of Forest Conservation Act, 1980*
  155. 9.1.4 Salient Features of Wildlife Protection Act, 1972*
  156. 9.1.5 Salient Features of Environment (Protection) Act, 1986
  157. 9.1.5.1 Amendments in EPA
  158. 9.2 Role of Government in Environmental Protection
  159. 10. Global Environmental Issues
  160. 10.1 Green House Effect and Global Warming
  161. 10.2 Global Climate Change
  162. 10.2.1 International Efforts to Control Global Warming or Global Climate Change
  163. 10.3 Ozone Layer Depletion or Ozone Hole
  164. 10.4 Acid Rain
  165. 10.5 El Nino
  166. 10.6 La Nina
  167. 10.7 Automobile Pollution
  168. 10.8 Urbanization and Environment
  169. 10.9 Population Growth
  170. 11. Environmental Education
  171. 11.1 Environmental Education
  172. 11.2 Principles of Environmental Education
  173. 11.3 Need for Public Awareness or Importance of Environmental Education: Active public participation
  174. 11.3.1 Details of Environmental Movements Indicating the Importance of Environmental Awareness
  175. 11.3.1.1 Chipko Movement in Tehri Garhwal Gained International Importance
  176. 11.4 The ‘Guidelines for Excellence’ for Environmental Education
  177. 11.5 Process of Public Awareness
  178. 11.6 Agencies Active in Creating Public Awareness (Environmental Education): Non-Governmental Organizations
  179. 11.7 Conferences, Workshops, Seminars
  180. 12. Social Environmental Issues
  181. 12.1 Social Environmental Issues are Important for Sustainable Developmental Strategies
  182. 12.1.1 Watershed Management
  183. 12.1.1.1 Rainwater Harvesting
  184. 12.2 Flyash Landfill Reclamation
  185. 12.3 Disaster Management
  186. 12.4 Animal Husbandry
  187. 12.5 Women Education
  188. 12.6 Environmental Problems in India (Developing Countries)
  189. 13. Human Population
  190. 13.1 Human Population
  191. 13.2 Population Growth Rate
  192. 13.2.1 Factors Affecting the Growth Rate
  193. 13.2.2 Population Explosion
  194. 13.2.3 Causes of Population Explosion
  195. 13.2.4 Effects of Population Explosion
  196. 13.2.5 Control Measures of Population Explosion
  197. 13.3 National Population Policy, 2000
  198. 13.4 Environment and Human Health
  199. 13.4.1 Sexually Transmitted Diseases (STD)
  200. 13.4.1.1 HIV/AIDS
  201. 13.5 Role of IT in Environment and Human Health
  202. 13.6 Human Rights
  203. 13.7 Value Education
  204. Previous Papers
  205. Glossary
  206. Index