Dimming Sun’s rays could ease climate impacts in Africa


Dialling down the Sun’s heat a notch by injecting billions of shiny sulphur dioxide particles into the stratosphere could curtail devastating drought across parts of Africa, new peer-reviewed research has reported. This form of solar radiation management would slash the risk of another “Day Zero” drought in Cape Town, South Africa — a city of 3.7 million which ran out of water in 2017 — by as much as 90 per cent, according to a study published last week in Environmental Research Letters. Global warming to date — just over one degree Celsius since the mid-19th century — enhances the likelihood of such droughts by a factor of three, earlier research has shown.

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