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Cape Town residents queueing to refill water containers at the Newlands Brewery Spring Water Point in January 2018. GettyImages

Dimming the sun could reduce future drought risk in Cape Town – but there’s a catch

Artificially dimming the sun, by injecting reflective particles into the upper atmosphere, could reduce the risk of Day Zero level droughts in Cape Town by more than 90% in the future.
Ethiopian soldiers in 2005 on a hilltop outpost overlooking the northern town of Badme, in the Tigray region. Marco Longari/AFP via Getty Images

What lies behind the war in Tigray?

The Ethiopian premier is manipulating ethnic rivalries to shift the agenda from democratic reform to authoritarianism.