Forest grown on waste faces threat

Forest grown on waste faces threat

The Gourga forest region stretches across 24ha, 184km to the north of Ouagadougou, the capital of Burkina Faso. Even in the dry season, the vegetation in this part of the north is intriguing – a forest in a so-called arid zone. A steady decrease in rainfall over...
Art from pollution

Art from pollution

Even air pollution can yield something positive, such as art. Just ask Graviky Labs, a Bengaluru-based start-up which has come up with an innovative method to trap soot from vehicles and transform it into ink. The team of industrial and automobile engineers, computer...
Virtuous plant rejuvenates community

Virtuous plant rejuvenates community

The people of the El Hencha, a small town not far from Sfax, Tunisia, continue to practise traditional agricultural techniques for which they need to draw heavily upon groundwater reserves. These practices are typical of those found in areas across southern Tunisia,...
Problem of plastic waste? It’s sorted

Problem of plastic waste? It’s sorted

In 1997, a group of 14 women got together to open a plastic waste processing facility in Thies, 70km east of Dakar, under the supervision of an Italian non-governmental organisation. The rise in recycling activity led to the creation of the company Proplast in March...
Power of poo

Power of poo

If the banana trees at Zoo Zurich are particularly lush, it is thanks to a fertiliser with an unusual ingredient: human waste. During spring in 2016, zoo employees cleared a bamboo grove in Zurich’s Masoala Rainforest to plant the trees. Within a few months, the...