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
Evictions in Nairobi: why the city has a problem and what can be done to fix itKefa Otiso 25 Jul 2018
Future 'ocean cities' need green engineering above and below the waterlineKatherine Dafforn, Ana Bugnot, Eliza Heery, Marian 26 Mar 2018