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Cloud Seeding Trials in Delhi: How It Works

29 October 20251 min read
ENVIRONMENT & ECOLOGYCloud SeedingTrials in Delhi:How It Works29 October 2025safalsetu.com

Why in the news

Facing worsening pollution, the capital’s government tested artificial rain with IIT Kanpur.

Key facts

  • Delivery: aircraft, drones or ground generators.
  • Mechanism: particles serve as condensation nuclei.
  • Past use: drought-prone and water-scarce areas, agriculture.

Concerns

  • Impact is hard to measure amid natural rainfall swings.
  • Chemicals may affect soil, water, ecosystems.
  • Cost and sustainability are debated.

Way forward

  • Scale trials cautiously with scientific monitoring, alongside groundwater recharge and rainwater harvesting.

Exam angle

  • Related: PM2.5/PM10 particulates and the Graded Response Action Plan (GRAP).

Test yourself

1. Which institute partnered with the Delhi Government for cloud-seeding trials?

The Delhi Government worked with IIT Kanpur.

2. Which substance is used in cloud seeding along with sodium chloride (salt)?

Silver iodide or salt particles are dispersed into clouds.

3. What does GRAP stand for in the cloud seeding notes?

GRAP is Delhi's Graded Response Action Plan for air pollution emergencies.

This topic is part of Daily Current Affairs 29 October 2025 (15 topics).

All topics of the dayDay quizOctober 2025

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