{"id":42942,"date":"2025-05-08T19:18:15","date_gmt":"2025-05-08T13:48:15","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=42942"},"modified":"2025-05-08T19:18:34","modified_gmt":"2025-05-08T13:48:34","slug":"cloud-seeding-trials-across-national-capital-region-ncr","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/08-05-2025\/cloud-seeding-trials-across-national-capital-region-ncr","title":{"rendered":"Cloud-Seeding Trials Across National Capital Region (NCR)"},"content":{"rendered":"\n<p><strong>Syllabus: GS3\/Science and Technology, Environment<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The Delhi Cabinet approved a Rs 3.21-crore project for conducting <strong>five cloud-seeding trials <\/strong>across the National Capital Region (NCR) amid the fight against pollution.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is Cloud Seeding?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cloud seeding is a <strong>weather modification technique<\/strong> aimed at enhancing precipitation from clouds by introducing substances that act as cloud condensation or ice nuclei.<\/li>\n\n\n\n<li><strong>Method: <\/strong>Aircraft or rockets disperse seeding agents like <strong>silver iodide, potassium iodide, or dry ice<\/strong> <strong>(solid carbon dioxide), or liquid propane <\/strong>into the atmosphere.<\/li>\n\n\n\n<li><strong>Purpose:<\/strong> Stimulate rainfall, reduce dust, suppress hailstorms, and improve air quality by settling particulates.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-dominant-color=\"ccd1d2\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"418\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/05\/opening-up-the-clouds.png\" alt=\"opening-up-the-clouds\" class=\"not-transparent wp-image-42943\" style=\"--dominant-color: #ccd1d2; width:400px;height:auto\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/05\/opening-up-the-clouds.png 600w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/05\/opening-up-the-clouds-300x209.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Suitable Conditions for Cloud Seeding<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cloud seeding <strong>requires existing clouds<\/strong>; it will not produce rain out of thin air.<\/li>\n\n\n\n<li>Not all types of clouds are suitable for seeding. Clouds must be deep enough and of a suitable temperature<strong> (between -10 and -12 degrees Celsius) <\/strong>to be seeded effectively.<\/li>\n\n\n\n<li>The wind must be below a certain speed. These conditions are most common in mountainous areas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Concerns with Cloud Seeding<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Use of Chemicals: <\/strong>Some chemicals are potentially harmful to the natural environment. There is concern about <strong>soil and water contamination<\/strong>, especially affecting <strong>plants and crops<\/strong> that rely on rainwater for nourishment.<\/li>\n\n\n\n<li><strong>Redistribution of Rainfall:<\/strong> Artificially inducing rainfall in one area may <strong>deprive <\/strong><strong>adjacent areas<\/strong> of their natural precipitation, potentially triggering drought-like conditions elsewhere.<\/li>\n\n\n\n<li><strong>High Cost: <\/strong>Cloud seeding requires <strong>specialized aircraft, meteorological expertise, and precision timing<\/strong>, making it a cost-intensive initiative.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Concluding remarks<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cloud seeding offers a technological solution to mitigate the immediate impact of air pollution in NCR, especially during critical months.\u00a0<\/li>\n\n\n\n<li>However, it should be part of a<strong> multi-pronged approach<\/strong> involving emissions control, green infrastructure, and public health measures.<\/li>\n<\/ul>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/news\/cities\/Delhi\/cabinet-gives-nod-to-cloud-seeding-first-trial-in-citys-outskirts\/article69550516.ece\" target=\"_blank\" rel=\"noopener\"><strong>TH<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<h3><strong>Context<\/strong><\/h3>\n<li class=\"ms-5\">The Delhi Cabinet approved a Rs 3.21-crore project for conducting five cloud-seeding trials across the National Capital Region (NCR) amid the fight against pollution.<\/li>\n<p><\/p>\n<h3><strong>What is Cloud Seeding?<\/strong><\/h3>\n<li class=\"ms-5\">Cloud seeding is a weather modification technique aimed at enhancing precipitation from clouds by introducing substances that act as cloud condensation or ice nuclei.<\/li>\n<li class=\"ms-5\">Method: Aircraft or rockets disperse seeding agents like silver iodide, potassium iodide, or dry ice (solid carbon dioxide), or liquid propane into the atmosphere.<\/li>\n<li class=\"ms-5\">Purpose: Stimulate rainfall, reduce dust, suppress hailstorms, and improve air quality by settling particulates.<\/li>\n<p><a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/08-05-2025\/cloud-seeding-trials-across-national-capital-region-ncr\" class=\"btn btn-primary btn-sm float-end\">Read More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-42942","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/42942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=42942"}],"version-history":[{"count":2,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/42942\/revisions"}],"predecessor-version":[{"id":42954,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/42942\/revisions\/42954"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=42942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=42942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=42942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}