Environmental Issues-Environmental Pollution and Degradation [IAS (Admin.) IAS Mains GS Paper 3 (Science-Tech, Economy, Environment, & Disaster Management)]: Questions 13 - 17 of 23

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Question 13

Environmental Pollution and Degradation
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Essay▾

In November 2017, the environment ministry urged the Supreme Court to push a deadline to cut emissions of oxides of nitrogen (NOx) from thermal power plants to 2022. Why is emission of NOx is a serious matter? Examine how emission of NOx from power plants be controlled. (250 Words)

Explanation

Background:

According to 2015 law, thermal power plants in India were expected to cut their NOx emissions by December 2017 but they did not. This highlighted the need to focus on NOx emissions Justifying the delay, the Center claimed that there is no proven technology for reducing the NOx emissions in line with the new norms.

Why is Emission of NOx i…

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Question 14

Environmental Pollution and Degradation
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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 15

Environmental Pollution and Degradation
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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 16

Environmental Pollution and Degradation
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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 17

Environmental Pollution and Degradation
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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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