GS3GS1

Air pollution and its environmental impacts

Introduction

Air pollution refers to the prevalence of one or more pollutants such as SO2, NO2, PM 2.5 which adversely affect the environment and well being of humans.

27 words

Main Body

Air Pollution — An Environmental Problem

PM 2.5, PM 10 can penetrate into the atmosphere – lead to soot on green cover (Decreased photosynthesis)

Acid rain could lead to adverse effects on vegetation/ crops – food security

Creation of smog (photochemical) can lead to extremely poor visibility / air quality.

Can also accelerate melting of snow caps due to increased soot/[mity]

Issue of Equity and Justice

The poor may not afford solutions to adapting to air pollution. Ex: Air Purifiers

Enhance or maximize other deprivation. Ex: Air Pollution in IJ districts amplifying water pollution adding to it.

Indoor air pollution due to 'chulhae' can lead to reduced health outcome for women.

Some are often congested – do not allow for ventilation, thus double burden.

— Amrit Mahapatra · AIR 121

132 words1 paragraphs

Conclusion

Air Pollution should be tackled not only with CAQM or NAAC standards but also increased whole of society approach to ensure 'Clean and healthy India'.

25 words

Clear definition with specific pollutants identified
Structured breakdown of environmental impacts
Links air pollution to multiple environmental consequences
Mentions both local and global-scale impacts

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Amrit Mahapatra

AIR 121

Subject & Paper

GS3GS1

Topic

Geophysical Phenomena & Environmental Changes

Environmental Problems

Air Pollution

Writing Stats

184

Total words

Paragraphs

technical and environmental-focused

Tone

Linked PYQ

In an air-conditioning plant, an air handling unit supplies a total of 4000 m/min of dry air which comprises by mass 20% of fresh air at 39°C DBT and 26°C WIT and 80% re-Circulated air at 24°C DBT and 50 RII. The air leav19 the Cooling coil at 12°C saturated: Using Psychometric chart calculate (i) Total cooling load and (ii) Room heat gain. Also slicow the process on Psychometric chart.

2017Calculate