South Africa is one of the most densely fenced countries on earth. Intensive farming has taken a toll on the land, but an initiative to remove fences and encourage animals' natural migration is helping it to recover.

Traffic in Bonn, Germany, is at its limit. Keeping bikes in good repair and better bike sharing schemes are helping the problem. But the city is thinking beyond that and has dreams of a cable car moving above traffic.

A German startup has developed an e-car especially for Africa. The tiny pickup is battery-powered and only has about 600 individual parts, compared to 10,000 normally. Prototypes are already being tested in Ghana.

In the Democratic Republic of Congo, a wooden scooter called the chukudu transports everything from cement to farm produce. It's also one man's way of making a living.

The future of mobility in African megacities is a topic that has reached many German carmakers. Today BMW is searching for technology-based solutions to enhance a sustainable and environmentally friendly tomorrow.

Engineers at the University of Nigeria in Nsukka have constructed a system that turns organic waste into a gas that can power a generator. They say their idea has the potential to solve the country's energy problems.

In Cairo, green spaces are a rare luxury. That's what inspired urban farming startup Schaduf to help poor Egyptians clean up roofs and create gardens, thereby greening the city and bringing them closer to their food.

A group of women in western Uganda are making paper — and a livelihood — out of elephant dung. The women, mostly widows whose husbands were shot hunting elephants for their tusks, also hope to combat elephant poaching.

Where do the metals in your cell phone come from? A Dutch startup is developing an ethical phone and raising awareness of where the metals originate.

Since 2013 Environment360 has been organizing school programs to teach kids about waste separation. It helps them improve their local environment and they usually spread the word by taking the message home.