BJ0056 – ENVIRONMENT AND MEDIA

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ASSIGNMENT

DRIVE	SPRING 2016
PROGRAM	BAJM
SEMESTER	5
SUBJECT CODE & NAME	BJ0056 – ENVIRONMENT AND MEDIA
BK ID	B1523
CREDITS	4
MARKS	60

Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.

Question. 1. Discuss the use of alternative energy resources.

Answer: Alternative energy is often referenced as any energy source that is an alternative to fossil fuel. These alternatives are intended to address concerns about such fossil fuels. For example, they typically pollute less among other supposed benefits.

The nature of what constitutes an alternative energy source has changed considerably over time, as have controversies regarding energy use. Today, because of the variety of energy choices and differing goals of their advocates, defining some energy types as "alternative" is highly controversial.

In a general sense, alternative energy as it is currently conceived, is that which is produced or recovered without the undesirable consequences

Question. 2. Write a long note on the functions of an ecosystem.

Answer: Ecosystem functions are interactive and synergistic rather than discrete (see Framework Boundaries for more information). Different ecosystem functions contribute to the provision of different ecosystem services in different quantities or magnitudes. Each ecosystem function can contribute to more than one ecosystem service, and it takes more than one ecosystem function to provide any ecosystem service.

Question. 3. Write notes on ‘loss of habitat’ and ‘poaching’.

Answer: Loss of habitat

Habitat destruction is the process in which natural habitat is rendered unable to support the species present. In this process, the organisms that previously used the site are displaced or destroyed, reducing biodiversity. Habitat destruction by human activity is mainly for the purpose of harvesting natural resources for industry production and urbanization. Clearing habitats for agriculture is the principal cause of habitat destruction. Other important causes of habitat destruction include mining, logging, trawling and urban sprawl. Habitat destruction is currently ranked as the primary cause of species extinction worldwide. It is a process of natural environmental change that may be caused by habitat fragmentation, geological processes,

Question. 4. Write a long note on water pollution. Include its effects and control measures (not its sources).

Answer: Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.

Some people believe pollution is an inescapable result of human activity: they argue that if we want to have factories, cities, ships, cars, oil, and coastal resorts,

Question. 5. Discuss resource use and sustainable development.

Answer: Sustainable development is a process for meeting human development goals while sustaining the ability of natural systems to continue to provide the natural resources and ecosystem services upon which the economy and society depend. While the modern concept of sustainable development is derived most strongly from the 1987 Brundtland Report, it is rooted in earlier ideas about sustainable forest management and twentieth century environmental concerns. As the concept developed, it has shifted to focus

Question. 6. Discuss the Forest (Conservation) Act, 1980, along with its amendments in 1992.

Answer: An Act to provide for the conservation of forests and for matters connected therewith or ancillary or incidental thereto.

Be it enacted by Parliament in the Thirty-first Year of the Republic of India as follows:-

1. Short title, extent and commencement.

    (1) This Act may be called the Forest (Conservation) Act,

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