Ethiopia’s mega dam has taken 14 years to build: what it means for the Nile’s 11 river states and why it’s so controversialJohn Mukum Mbaku
How mega infrastructure projects in Africa, Asia and Latin America are reshaping developmentSeth Schindler and Juan Miguel Kanai 1 Nov 2019
Steel import duties a weapon in trade war, but inappropriate for SA industryGerhard Papenfus 15 Oct 2019
Smart cities: world's best don't just adopt new technology, they make it work for peopleArturo Bris 11 Oct 2019
Green roofs improve the urban environment - so why don't all buildings have them?Michael Hardman and Nick Davies 7 Oct 2019