Upgrading Africa’s largest slum has taken more than a decade, but the process is changing the conversation about how to handle informal urban neighbourhoods.
Kéré Architecture’s Opera Village in Burkina Faso uses cultural identity and pride as a tool for positive development. It now includes a medical centre.
The largest producer of aviation biofuels, Fulcrum BioEnergy aims to provide an alternative to petroleum by converting household garbage into jet fuel.