Ocean Trust, a conservation group in Watamu on the Kenyan coast, is looking after the needs of sea turtles. With the help of locals, activists are especially protective of the injured and nesting females.

South Africa is in the midst of a severe drought. After seeing wasted water at her parents' fish farm, a 16-year-old girl developed a simple and effective system that saves water through plant purification.

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.

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.

One farmer in Uganda isn't too worried about lack of rainfall. That's because he's invented a clever drip irrigation system by recycling plastic bottles.

The German city of Hanover is taking on the disposable coffee cup culture with a reusable cup scheme. Coffee drinkers can pick up a cup for a small fee, which they get back upon returning it.

Garden City in the Kenyan capital Nairobi is one of the largest green building projects on the African continent. The site includes a car park that doubles as a giant solar panel. It also champions a pioneering waste disposal system.

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.

In Africa's greatest mammal migration, around 10 million fruit bats travel from Congo to Zambia every year. But the species is under threat: they're hunted in Congo, and their forest habitat in Zambia is shrinking.

Uganda has lost two thirds of its forest cover since the late 1990s – mostly cleared to provide charcoal for burning. But now an innovative idea to use volcanic rocks for cleaner cooking provides a greener alternative.