Using scrap wood and other recycled materials like used wine bottles, an entrepreneur is bringing about social change through better and greener buildings in Port Elizabeth's Joe Slovo Township.

To help save the Coco de Mer, a giant type of coconut that weighs up to 30 kilos, the UN Development Program is assisting the Seychelles in finding ways to ensure that it has the necessary funding.

Smog impacts people's health and causes lung diseases. The problem: You can't really see or smell it. Now a start-up has built a device which measures air quality and tells users when the concentration is high.

Overfishing has depleted fish stocks off the Kenyan coast. Now to keep the ecosystem in balance, a nature conservancy employs 32 controllers to monitor fish stocks and supervise fishing methods.

In Germany, start-up 'GreenGuru' provides urban professionals who are too busy to prepare a wholesome lunch with nutritious snacks and meals. Healthy eating has become a trend - and it's even beneficial for the environment.

The production of cocoa can be beneficial for everyone in Sierra Leone. Cocoa plants provide shade and enrich the soil. They can also provide a regular income for locals and be exported sustainably and profitably.

An exploding human population and growing demand for grazing areas means wildlife are competing with people over increasingly-scarce land near the Serengeti National Park. An organization is trying to reduce the tension.

An engineer from Cameroon who studied renewable energy in Italy is sharing his knowledge back home by launching an NGO. By training young people on working with solar panels, communities benefit from renewable skills.

Students in Cameroon have come up with an ingenious way to combat the city of Douala's mounting waste management problem: a more eco-friendly form of coal made of household waste from old banana peels to leftover food.

Old car tires usually end up on waste dumps. Nigerian activists had the brilliant idea of turning them into useful and beautiful furniture instead.