Environment Studies

8323 WordsNov 9, 201234 Pages
CHAPTER NO: 01 1. Define the importance of Environmental Studies. Answer: Environment is derived from the French word Environ which means to encircle or surround. ENVIRONMENT is sum total of water, air, and land, inter-relationships among themselves and also with the human beings, other living organisms and property. The above definition given in Environment Act, 1986 clearly indicates that environment includes all the physical and biological surroundings and their interactions. ENVIRONMENTAL STUDIES: It is multidisciplinary in nature covering chemistry, physics, biology, geography, mathematics, statistics, medicine, and engineering and making use of this for saving the environment for long time utilization. Scope of…show more content…
Thus water has become quite a scare commodity that few countries and civilizations seem to take into consideration. 3. Discuss the global environmental crisis in brief. Answer: 1) Global destruction of forests and phytoplankton in the oceans (these capture carbon dioxide - 59% land, 41% oceans – hold moisture and soil, preserve species, moderate the environment and give off oxygen). 2) World wide soil erosion and desertification (the world has lost 1/5 of its arable land in the last decade). Causes: raising beef, lumbering, use of word for fuel, clear cutting for crops or profit). 3) Worldwide burning of fossil fuels, primarily oil and coal, and burning of wood in the third world. 4) Harming of forests, lakes, and their ecosystems by acid rain (including Alaska, Canada, Norway, Eastern U.S., Germany, etc.) 5) Proliferation of nuclear waste hazards, and massive amounts of other toxic waste. 6) World wide shrinking of fresh water supplied through pollution and diminishing aquifers. 7) Spreading ozone holes resulting from long lasting chlorofluorocarbon gases. 8) Massive extinction of species worldwide connected with the above factors. 9) Flooding of coastal areas world-wide as the ocean levels rise: displacing hundreds of millions of people and burying a large portion of the world's prime agricultural lands.
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