Through a complex process, stones can be made into a material as flexible as leather. Now it's being used to make stone sneakers. But the feather-light footwear is made by hand, so its price is anything but rock-bottom.

Access to clean water may be a right, but for many it is a luxury. Now two inventors in Uganda have developed eco-friendly filters for use in schools and homes that turn lake water into drinking water.

Scientists are busy documenting 21 endemic freshwater fish found in the Western Cape and nowhere else in the world. Currently over half are threatened with extinction because of invasive species and habitat degradation.

A project in Bonn, Germany, is lending out cargo bikes for free. Supported through donations and volunteers, it is an effort to get cars off the streets and reduce traffic and harmful emissions.

A cooperative is bringing together women in order to show them how to use cocoa plants in a sustainable way. Now they don't just export the beans, they process them to make their own teas and spices.

Two West African entrepreneurs have established an eco-friendly approach to fish farming they call eco-aquaponics. Not only do they raise fish in their ponds, they also turn its algae into chemical-free fertilizer.

Solar power helps the flower industry in Kenya grow delicate roses that need artificial light and constant temperatures. Low-cost solar systems ensure independence of the unreliable power grid.

In southwestern Uganda, villagers have found a sustainable way of conserving a tree that produces a textile called bark cloth. In protecting this heritage, one tree can renewably provide cloth for decades.

In Zimbabwe, a company produces handmade shoes using only vegan materials. The company employs women who were married as children and the profits are used to pay school tuition fees for child marriage survivors.

Neem trees grow almost everywhere in Mali. Pressed from its fruits, neem-oil can have a negative effect on insect growth, which protects plants. Some farmers are now using it to replace chemical pesticides.