Shea butter is part of daily life in Africa. The fatty substance from shea tree nuts is used in cooking, salves and moisturizers. A group is trying to convince locals the trees are more valuable alive than used once as firewood.

When Rwanda banned plastic bags in 2008, the use of paper exploded. But these papers bags shouldn't just litter the streets or fill dumpsters, and an entrepreneur is now turning them into jewelry and creating jobs.

The Knysna seahorse is only found in a small section of South Africa and is one of only two seahorse species in the world currently listed as endangered. Locals need to act quickly to save the remaining specimens.

In a bid to reduce unemployment and get around rising energy costs, Sunny Akpoyibo started a "solar academy" in Lagos. There people can learn how solar panels work, and how to install and repair them.

Keeping huge marine animals like whales in captivity is seen by many as inhumane, while park owners claim they play a role in protecting the environment. But is it still reasonable to keep such creatures locked up?

The water hyacinth is beautiful, but this aquatic plant is threatening Cameroon's rivers. An artist is taking the fight against this invader to new heights, turning the "vegetable witch" into paintings, carpets and hats.

Instead of throwing away fish skins, a green entrepreneur on Lake Victoria turns the skins into leather products. This not only reduces fish waste, but also cuts down on the use of traditional cow leather.

Patrick Maganga of Zanzibar is called 'Mr. Spice'. He's one of the island's farmers trying to boost the ailing spice industry there with organic offerings.

The Mono River forms the border between Benin and Togo. Its delta is a refuge for rare species like the manatee and red-bellied monkey. Now, the two countries are working together to protect this natural paradise.

What started as a neighborhood clean-up has turned into a nationwide project to tackle plastic waste. Journalist Regina Leke tells how she got inspired to act on pollution.