Governments must come together for a mercury-free world

All African governments need to put in place quick, effective measures to prevent their own citizens from suffering toxic mercury exposure. ILLUSTRATION | JOHN NYANGAH

Across Africa, from Mali to Tanzania to Zimbabwe, millions of people, including children, work in small gold mines.

Artisanal and small-scale gold mining is a vital source of income, but it is also very dangerous because miners use toxic mercury to separate the gold from the ore.