—Peter Tabichi, a Catholic Franciscan brother and winner of the Global Teacher Prize

— Ms. Aïssatou Hayatou, ‘Silencing the Guns’ operations manager

African Union’s 2020 campaign to achieve peace and end conflict, extremism, crime

—Joyce Msuya, United Nations Environment Programme’s Deputy Executive Director

South Africa hosts most of the top companies in Africa, but other countries are coming up

Salva Dut, a former refugee, has helped drill 300 boreholes in his country

Oceans choking on millions of plastic water bottles, cups, straws and single use plastic bags