Sub-Saharan Africa achieved a twenty-percentage-point increase in the use of improved sources of drinking water from 1990 to 2015. During this period, 427 million more Africans gained access.17 The process may be too slow to make the news, but we must remember that it is happening much faster than it did in the world’s richest countries. Life expectancy in Kenya increased by almost ten years between 2003 and 2013. After having lived, loved and struggled for a whole decade, the average person in Kenya had not lost a single year of their remaining lifetime. Everyone got ten years older, yet
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