Environmental Issues [IAS (Admin.) IAS Mains GS Paper 3 (Science-Tech, Economy, Environment, & Disaster Management)]: Questions 21 - 26 of 38

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Question 21

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Analysis of the Central Pollution Control Board’s AQI bulletin archives has revealed that the air quality has clearly deteriorated across the northern-Gangetic plain. Examine the causes and consequences. (200 Words)

Explanation

Introduction:

  • The northern Indian plains have again come into focus as one of the globe’s most-polluted regions, with nine of the world’s 20 most polluted cities in the 2016 WHO urban air pollution database from this swathe of land.
  • It’s a confluence of factors to make this region so foul with geography, climate, population, agricultural practices as

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Question 22

Environmental Issues
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What is ozone pollution? Why is it still a cause for concern? Examine. (250 Words)

Explanation

Background:

In India pollution discussion is mainly concentrated with particulate matter but ground level ozone/surface ozone is equally hazardous. A recent study shows that the O3 levels will continue to rise drastically particularly in North India.

Ozone Pollution:

  • Ground level or “bad” ozone is not emitted directly into the air but is created by ch

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Question 23

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Critically comment on the environmental policy that is being followed in India to raise forest cover to 33 % of the geographical area. (250 Words)

Explanation

Background:

India has increased its total forest cover by 1 % to around 24 % but the target of 33 % is still a distant dream. So, there is a need to analyse the measures taken by the government.

Government Approach:

India has enacted many legal acts to make sure the forest cover increases like:

  • The forest rights act 2006.
  • CAMPA act.
  • National environmenta

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Question 24

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While supporting the mitigation efforts to reduce impact of climate change and global warming, adaptation projects aimed at helping people adapt to climate change effects also needs to be encouraged. Discuss. (250 Words)

Explanation

Background:

  • There are two main policy responses to climate change: mitigation and adaptation. Mitigation addresses the root causes, by reducing greenhouse gas emissions, while adaptation seeks to lower the risks posed by the consequences of climatic changes. Both approaches will be necessary, because even if emissions are dramatically decreased in t

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Question 25

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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 Centre 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 26

Environmental Issues
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No country can remain an island when it comes to climate action. In the light of ongoing COP23 climate negotiations, discuss the new challenges and responsibilities that countries are facing in striking a deal at COP23 to save earth from climate change. (250 Words)

Explanation

Introduction:

  • The United Nations Climate Change Conferences are yearly conferences held in the framework of the United Nations Framework Convention on Climate Change (UNFCCC).
  • The UN Climate Change Conference in Bonn is the next step for governments to implement the Paris Climate Change Agreement and accelerate the transformation to sustainable, resi

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