Kartik Bhardwaj is teaching live on Unacademy Plus
Solar Radiation Management techniques include firing sulphur dioxide into atmosphere, putting huge mirrors in the space, creating pale coloured rooftop and other structures which have high albedo STRATOSPHERIC OZONE DEPLETION A higher than normal concentration of Ozone molecules, called the Ozone layer, is found in Stratosphere. It acts as a shield absorbing ultraviolet radiation from the sun. UV rays are highly injurious to living organisms since DNA and proteins of living organisms preferentially absorb UV rays, and its high energy breaks the chemical bonds within these molecules The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of Dobson units (DU). 1 DU is equivalent to a layer of pure ozone molecules 0.01mm thick. CFCs were widely used as refrigerants. CFCs discharged in the lower part of atmosphere move upward and reach stratosphere . .
Ozone Layer Depletion CFC molecule Ozone molecule (03) fluorine a chlorine carbon CI 2 oxygen 1