The village of Gidewari’s 3,600 residents once trekked more than 8km a day for water. A solar-powered pump changed all that.
The East African nation of Tanzania has an estimated population of 50 million as of 2016. The country has maintained relatively stable, high growth over the last decade (averaging 6%–7% per annum). While the poverty rate has recently declined, the absolute number of the poor has not changed given the fast pace of population growth (over 3% per annum).