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2018 GS Paper III

UPSC CSE (Main) 2018 · GS Paper III · Question 6

What are the impediments in disposing the huge quantities of discarded solid wastes which are continuously…

UPSC Civil Services (Main) Examination 2018, General Studies Paper III (GS 3), Question 6 — 10 marks, 150 words.

Syllabus line: Conservation, pollution & EIA — “Conservation, environmental pollution and degradation, environmental impact assessment.”

GS Paper III 2018 · Q6

10 marks · 150 words Conservation, pollution & EIA X-Ray · Core #29

What are the impediments in disposing the huge quantities of discarded solid wastes which are continuously being generated? How do we remove safely the toxic wastes that have been accumulating in our habitable environment?

Approach · directive: “what / how”

What it asks · State the obstacles to disposing of ever-growing solid waste, and describe safe ways to remove the toxic and hazardous waste that has built up around us.

It asks 2 things — answer each

  1. What: the impediments to disposing of the huge and growing quantities of solid waste
  2. How: safe ways to remove the toxic wastes that have accumulated in the habitable environment

Open with · India generates 1,70,339 tonnes of solid waste a day, 92 per cent collected but only 54 per cent treated (CPCB 2021-22); the rest feeds dumps while hazardous, biomedical and e-waste add toxins.

Cover

  • Scale: 1,70,339 tonnes a day generated, 92 per cent collected, 54 per cent treated (CPCB annual report 2021-22).
  • Impediments: no segregation at source, cash-strapped urban local bodies, no landfill land, weak enforcement of SWM Rules 2016, waste-pickers excluded.
  • Legacy: of 2,492 lakh tonnes in old dumps, 58 per cent remediated by September 2025 under SBM-Urban 2.0 (PIB).
  • Toxic waste rules: Hazardous and Other Wastes, Bio-medical and Plastic Waste Rules 2016; E-Waste Rules 2022 with EPR recycling targets (PIB).
  • Treatment: manifests to authorised facilities, secure landfills, incineration, co-processing; take-back of batteries and electronics.
  • Clean-up: bio-mining of legacy dumps, remediation of contaminated sites, pollution-board monitoring, Basel Convention on hazardous imports.
  • Model and outlook: Indore in the Super Swachh League (Swachh Survekshan 2024-25); SWM Rules 2026 mandate four-stream segregation and polluter pays.

Close with · The SWM Rules, 2026 make four-stream segregation mandatory with polluter pays; treating waste as a resource near its source, with waste-pickers inside the system and landfills last, is how the dump gives way to a circular economy.

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Question: UPSC's CS (Main) 2018, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 224words · Minimalist IAS

India generates 1,70,339 tonnes of solid waste a day; 92% is collected but only 54% treated (CPCB, 2021-22). The rest feeds dumps leaking leachate and methane, while hazardous, biomedical and e-waste add toxins.

Impediments to disposing of solid waste

  • No segregation at source: mixed waste can be neither composted nor recycled, so it goes to dumps.
  • Institutional gaps: cash-strapped urban local bodies, no land for sanitary landfills, weak enforcement of the SWM Rules, 2016, and waste-pickers left outside.
  • Legacy mountains: of 2,492 lakh tonnes in old dumps, 58% was remediated by September 2025 under SBM-Urban 2.0.

How toxic waste can be removed safely

Segregate at sourcetrack by manifesttreat at authorised facilitysecure landfill only for residue
  1. Segregate at source
  2. track by manifest
  3. treat at authorised facility
  4. secure landfill only for residue
  • Dedicated rules: Hazardous, Bio-medical and Plastic Waste Rules (2016) and the E-Waste Rules, 2022 with recycling targets under extended producer responsibility.
  • Treatment: secure landfills, incineration and cement-kiln co-processing at authorised facilities.
  • Clean-up: bio-mining of legacy dumps, remediation of contaminated sites, pollution-board monitoring, and the Basel Convention against hazardous imports.
  • Model: Indore, in the premier Super Swachh League of Swachh Survekshan 2024-25, shows collection and processing working at city scale.

The SWM Rules, 2026 make four-stream segregation mandatory with polluter pays; treating waste as a resource near its source, with waste-pickers inside the system and landfills last, is how the dump gives way to a circular economy.

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

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