Oil spills can have devastating environmental consequences. A German firm may have found an unlikely way to mop them up using 'miracle' cotton wool. Could it be a game changer?

What’s going on with the vast landfill site in the middle of Ghana’s capital city Accra? We asked the country’s environment minister about it and waste management - the biggest challenge facing his ministry.

Ghana has a significant problem with plastic waste: only 2 percent of the 22,000 tons it produces annually is recycled. But a company is now taking up the fight against plastic waste - by turning it into paving stones.

Creating energy-efficient buildings and homes has become a priority in Germany, and now the country even has its first "passive-certified" indoor swimming pool which uses around 60 percent less energy than normal pools.

Rising ocean levels plus dams were destroying the delicate balance of Mauritania's nature. But the Diawling National Park along with sustainable water management programs have improved the situation.

A German-Ugandan partnership is using maize spindles as waste biomass to produce briquettes. They want to reduce deforestation and improve energy efficiency.

Some local farmers in South Africa's Eastern Cape switched to producing indigenous flowers to extract essential oils as an alternative source of income. The herbs require little water and help prevent desertification.

A young Cameroonian is repurposing discarded container drums by making unique furniture and even barbeques. By using the drums Halilu Idiris and his colleagues not only make something useful, they also cut down on trash.

Creating energy-efficient buildings and homes has become a priority in Germany, and now the country even has its first "passive-certified" indoor swimming pool which uses around 60 percent less energy than normal pools.

Mali is a country often hit by extreme drought and famine. A women's initiative is using an irrigation technique that protects their crops and the environment.