How do you plan a city that has to contend with a steady river of newcomers? At the African Design Centre, Christian Benimana teaches young designers and urban planners to come up with sustainable solutions for both housing and infrastructure.

Traffic congestion is a huge problem in major cities. But there are efficient ways to work the transportation system. In Vilnius, around a quarter of the population use a mobility platform to help them get from A to B.

The air quality in Hanoi will leave you breathless, and not in a good way. Now the city is actively tackling the problem with help from the Germany Development Agency. They're gathering data, educating and taking action for a greener Hanoi.

A group of Syrian women founded an organization last year called "Families for Freedom". They want to save their missing people from being forgotten. They're travelling around Europe by bus with pictures of their loved ones.

The Dominican Republic has a refuse problem. Most trash is neither sorted nor recycled. In San Cristóbal, the German development agency GIZ is helping to set up a modern trash disposal and recycling system.

Tacos al pastor is a Mexican snack said to be derived from the Middle East speciality shawarma, brought to the country by Lebanese migrants. In Mexico the main ingredient is pork marinated in pineapple and chili.

In order to meet the huge demand for the traditional remedies known as ‘muti’, plants in South Africa are being harvested on a scale that is no longer sustainable. The pepper-bark tree, for example, is widely used, even though it is endangered.

The Dominican Republic has a refuse problem. Most trash is neither sorted nor recycled. In San Cristóbal, the German development agency GIZ is helping to set up a modern trash disposal and recycling system.

In order to meet the huge demand for the traditional remedies known as ‘muti’, plants in South Africa are being harvested on a scale that is no longer sustainable. The pepper-bark tree, for example, is widely used, even though it is endangered.

According to her customers, Kadiatou Wade is a real master of beignets, a kind of doughnut. Her winning recipe includes flour, milk, sugar, eggs, yeast, nutmeg – and a few secrets she refuses to share.