With 180 million people, Nigeria has a huge housing deficit and environmentally friendly building is a low priority. Nonetheless, Oladejmeji Olowu constructs houses that use less energy and run on solar energy.

Despite a devastating civil war, the BaAka people of Central African Republic are in a race against time to save their traditional ways of life and a group of kids is trying to learn all they can from their elders.

International researchers are looking into the properties of traditional east African vegetables like spinach and eggplant and finding mountains of vitamins and minerals that people need.

Trash disposal and recycling have become big problems in Nigeria. But a group of schoolgirls in Abuja has developed an app that could help the country tackle the growing hazard.

Recycling doesn’t have a long history in Kenya. But for the last five years, social enterprise TakaTaka Solutions has been doing its bit in communities rich and poor, companies, schools and private homes.

A team of scientists are looking into the moorlands in north-western Congo. New satellite images show that the areal is 16 times bigger than thought, which is just another reason to protect it.

German microbiologist and fashion designer Anke Domaske makes clothes from milk yarn. The eco-friendly textiles are compostable and are part of a larger drive toward sustainable fashion.

Nigerian entrepreneur Adebola Odenike is a hybrid car enthusiast. He wants to ease Nigeria's congestion and pollution woes by getting clean vehicles on the country's roads.

Zimbabwean farmers' dependence on maize is a threat to the country's food security in a warming world. One group is trying to promote hardy indigenous grains suited to dry conditions as a solution.

Corals around the world are dying out. But South Africa's reefs have proved to be more resilient. Marine biologists are researching reef dynamics there in the hope of saving corals in a changing climate.