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Geography

 ■ LA SOUFRIERE VOLCANO:-

◇ Its eruption has sparked fear of increased pollution levels in the northern parts of India and acid rain.

□ POINTERS :-

◇ It is an active stratovolcano on the Caribbean island of Saint Vincent in Saint Vincent and the Grenadines.

◇ It is the highest peak in Saint Vincent and has had five recorded explosive eruptions since 1718.

□ IMPACT ON CLIMATE :- 

◇ Volcanic emissions reaching the stratosphere can have a cooling effect on global temperatures.

◇ The conversion of sulphur dioxide to sulphuric acid, which condenses rapidly in the stratosphere to form fine sulphate aerosols.

◇ Aerosols increase the reflection of radiation from the Sun back into space, cooling the Earth’s lower atmosphere or troposphere.

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