This startup produces disposable tableware with a difference: it’s totally biodegradable. The plates, bowls and cutlery are made from wheat bran — the hard outer layers of the grain left over during the milling process.

Nigeria imports tons of paper a year. But instead of cutting down more trees seaweed may be the future. It would certainly be a novel use for what is usually considered a nuisance that clogs waterways.

An eco-campaign is striving to keep South Africa's Robberg Beach clean and protect its marine environment. It's part of the Blue Flag programme, the international accreditation system for clean coasts.

Oyster harvesting along the Gambia River is often a brutal process that destroys the mangrove. For the past decade a group has been showing how it can be done using old shells thereby saving the valuable plants.

Despite worldwide protests and years of a ban on whaling, Iceland's fishermen are hunting fin whales again. But this time, not only are environmentalists objecting but ever more Icelanders. Whale watching is far more lucrative than whale hunting.

Engineers in Germany have developed a solar powered water purification system that can process thousands of liters of water an hour. Several of the kiosks now provide clean water and work as phone charging stations.

On Mfangano Island, a group is teaching locals to use what nature has given them. They base their work on what is best for the ecosystem and are able to build sustainable food systems and functional landscapes.

Yacouba Sawadogo started planting trees in northern Burkina Faso in 1980 to stop desertification. Now at 80 he has won the Right Livelihood award and looks back to see the fruits of his labor.

A startup in Hamburg has created a vertical farm — a warehouse of stacked beds grown under artificial light — and already delivers lettuce and herbs to ten local restaurants. But what are the real environmental costs?

A group of volunteers from Germany has gone to southern Mozambique to help rejuvenate the Banhine National Park by rebuilding the tourism industry and — very importantly — by gaining the acceptance of the locals.