Tires aren't biodegradable or easy to dispose of. What if you could turn them into fuel and reduce waste? That's exactly what a group of engineering students is doing in Egypt.

On the African West coast turtle eggs are a prized delicacy. Tommy Melo and his organization Biosfera protect turtle nests, but their hardest job is raising awareness to stop the killing.

Ewokolo Nangho came to Germany so she could bring back farming knowledge to Cameroon and help to empower local farmers. She was surprised by what she learned.

A group of German students has developed a kit that enables anyone to build their own windmill in a week - from local materials. Having built one in Berlin, they're now inspiring others as far away as Sierra Leone.

In many countries, insects are considered a delicacy. Now a startup wants to bring them to Germany in an eco-friendlier burger that has more protein and iron than beef burgers – but produces 100 times less CO2 emissions.

A fair trade chocolate bar set one 11-year-old girl in Germany on a path to climate activism. Now, Jana Reiter organizes clothing swaps and biking days at her school.

One in ten girls in Sub-Saharan Africa skips school during their menstrual cycle. But cheap, green sanitary towels made from sugar cane by-products could help.

How do you ensure food supply for densely populated Nigeria? A young woman in Abuja builds greenhouses and provides farmers with new equipment and has even invented a sustainable watering system.

A group of German students has developed a kit that enables anyone to build their own windmill in a week — all from local materials. Having built one in Berlin, they're now inspiring others as far away as Sierra Leone.

For local residents, it's a challenging process. The elephants are often hungry, and happy to decimate any crops they come across. But the gentle giants also bring prosperity — attracting more tourists to the region.