Environmental Issues [IAS (Admin.) IAS Mains GS Paper 3 (Science-Tech, Economy, Environment, & Disaster Management)]: Questions 27 - 32 of 39

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Question 27

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What is smog? What are its effects on health, especially of children? Critically examine the root causes of air pollution in Delhi and reasons why various initiatives have failed to have any impact on its reduction. (250 Words)

Explanation

Introduction:

Smog is a type of air pollutant. The word “smog” was coined in the early 20th century as a portmanteau of the words smoke and fog to refer to smoky fog, its opacity, and odour. The word was then intended to refer to what was sometimes known as pea soup fog, a familiar and serious problem in London from the 19th century to the mid- 20th…

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Question 28

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The Economic Survey 2018 finds that climate change is now hurting Indian agriculture and farmers considerably. In this regard critically examine how the latest union budget seeks to address environmental concerns raised by the Economic Survey 2018. (150 Words)

Explanation

Background:

  • The Economic Survey 2018found that the effect of extreme temperature shocks on productivity in un-irrigated areas, which account for more than half of our agricultural land, is significant.
  • An extreme temperature shock in unirrigated areas reduces yields by 7 per cent for Kharif and 7.6 per cent for Rabi.
  • Similarly, extreme rainfall shocks…

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Question 29

Environmental Issues
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What is trophy hunting? What is its impact on conservation? Examine what efforts are needed to prevent trophy hunting. (250 Words)

Explanation

Trophy hunting is the selective hunting of animals for human recreation where animal or part of the animal (horns, skin, etc) kept as the trophy.

Impacts on Conservation:

  • Generic hunting bans do not automatically lead to increases in wildlife.
  • For example, in countries such as Kenya and India, where hunting bans came into force in the 1970s, wildlife …

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Question 30

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What are the objectives of the Powering Past Coal Alliance? Do you think such alliances help address climate change effectively? Comment. (150 Words)

Explanation

Introduction:

Powering Past Coal Alliance (PPCA) is an international alliance comprising of 20 countries including Canada, Britain and New Zealand which aims to phase out coal from power generation by 2030. This alliance came into existence during 23rd meeting of Conference of Parties of UNFCC held in Bonn, Germany.

Its objectives are:

  • To reduce the u…

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Question 31

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Discuss the causal relationship between indoor and outdoor air pollution with the rise of disease burden in India. (150 Words)

Explanation

Introduction:

On 14th November, the Health ministry had published a report called “Study of health of nation՚s states” which is a study of how the burden of disease has changed in Indian states from 1990 to 2016.

Findings of the Report:

  • India՚s health gap: India faced double whammy of increase in the burden of both lifestyle diseases associated with s…

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Question 32

Environmental Issues
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The Compensatory Afforestation Fund Act (CAF Act) , 2016 has raised serious concerns about the human and environmental costs of compensatory afforestation (CA) . In the light of these concerns, discuss the role of local communities and gram sabhas in ecological restoration. (250 Words)

Explanation

Background:

  • Local communities in the forests have a holistic traditional scientific knowledge of their lands, natural resources and environment.
  • In view of the interrelationship between the natural environment and its sustainable development and the cultural, social, economic and physical well-being of these people national and international efforts …

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