{"id":91650,"date":"2025-06-01T11:01:55","date_gmt":"2025-06-01T11:01:55","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91650"},"modified":"2025-06-01T11:01:55","modified_gmt":"2025-06-01T11:01:55","slug":"in-the-context-of-which-of-the-following-do-some-scientists-suggest-th","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-the-context-of-which-of-the-following-do-some-scientists-suggest-th\/","title":{"rendered":"In the context of which of the following do some scientists suggest th"},"content":{"rendered":"

In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?<\/p>\n

[amp_mcq option1=”Creating the artificial rains in some regions” option2=”Reducing the frequency and intensity of tropical cyclones” option3=”Reducing the adverse effects of solar wind on the Earth” option4=”Reducing the global warming” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC IAS – 2019<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nOption D is correct. Cirrus cloud thinning and the injection of sulphate aerosol into the stratosphere are proposed geoengineering techniques falling under the category of Solar Radiation Management (SRM). These methods aim to reflect incoming solar radiation back into space to counteract the warming effects of greenhouse gases, thereby reducing global warming.
\n<\/section>\n
\n– Cirrus cloud thinning involves modifying wispy, high-altitude cirrus clouds to make them less reflective or reduce their greenhouse effect.
\n– Stratospheric aerosol injection proposes releasing aerosols like sulfur dioxide (which forms sulfate aerosols) into the upper atmosphere to mimic the cooling effect observed after large volcanic eruptions.
\n– Both are geoengineering proposals aimed at increasing Earth’s albedo (reflectivity) or reducing the greenhouse effect of certain clouds.
\n<\/section>\n
\n– These techniques are controversial due to potential unintended side effects on climate patterns, environment, and complex governance issues.
\n– Creating artificial rain (Option A) is usually done by cloud seeding in lower atmospheric layers.
\n– While climate change affects tropical cyclones (Option B), these techniques are not specifically designed or guaranteed to reduce cyclone frequency or intensity, although changes in global temperatures could indirectly affect them.
\n– Solar wind (Option C) is a stream of charged particles from the Sun and is unrelated to these atmospheric techniques.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere? [amp_mcq option1=”Creating the artificial rains in some regions” option2=”Reducing the frequency and intensity of tropical cyclones” option3=”Reducing the adverse effects of solar wind on the Earth” option4=”Reducing the … <\/p>\n

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These methods aim to reflect incoming solar radiation back into space to counteract the warming effects of greenhouse gases, thereby reducing global warming. - Cirrus cloud thinning involves modifying wispy, high-altitude cirrus clouds to make them less reflective or reduce their greenhouse effect. - Stratospheric aerosol injection proposes releasing aerosols like sulfur dioxide (which forms sulfate aerosols) into the upper atmosphere to mimic the cooling effect observed after large volcanic eruptions. - Both are geoengineering proposals aimed at increasing Earth's albedo (reflectivity) or reducing the greenhouse effect of certain clouds.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-the-context-of-which-of-the-following-do-some-scientists-suggest-th\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In the context of which of the following do some scientists suggest th\" \/>\n<meta property=\"og:description\" content=\"Option D is correct. Cirrus cloud thinning and the injection of sulphate aerosol into the stratosphere are proposed geoengineering techniques falling under the category of Solar Radiation Management (SRM). 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