Marine Cloud Brightening (MCB) is a proposed geoengineering technique aimed at increasing the reflectivity (albedo) of low-lying marine clouds to reflect more sunlight back into space, thereby cooling the planet. The method involves spraying fine particles into the atmosphere over the ocean to act as cloud condensation nuclei (CCN). The most commonly proposed and studied substance for this purpose is sea salt, generated by spraying seawater into the air using specialized vessels or platforms. Scientists, including those from institutions like Manchester University, have researched the feasibility and potential effects of this technique.
Scientist of Manchester University have recently suggested formation of brightened clouds over Pacific by geo engineering to prevent further increase in global warming. What is sprayed in the atmosphere to achieve this ?
Asked in UPPSC Upper Mains 2009 · Topic: Greenhouse Effect and Climate Change (Climate Change Mitigation Strategies (e.g., renewable energy, carbon capture, afforestation))
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