How many great plans start out as ideas sketched in graphite? Globally, we use 14 billion pencils each year. Now, Kenyan entrepreneurs are producing eco-friendly pencils from recycled newspaper.

Concerned that most Zambians think climate change mainly affects other countries, Mwelwa Musonko decided to create superhero comic books to get children and teens to become more aware of the dangers of climate change.

A school has become the only one in Germany to make biological diversity part of its curriculum. The topic is incorporated across a range of subjects, such as growing plants whose dye can be used in chemistry.

A student has started a small business that repurposes old clothes and other textiles. He employs five seamstresses and tailors who turn out 100 new products a month, mainly bags and jackets.

Social entrepreneur Ismael Essome Ebode makes unique plastic boats by tying plastic bottles together - helping the environment by using bottles that would otherwise choke the country's drainage system.

Vultures are often portrayed as ugly, dirty scavengers. But they are vital to keeping ecosystems healthy. Can we save these much-maligned and endangered birds?

Energy entrepreneur Sulaiman Yusuf is developing what he calls 'off the grid' homes – using solar and hydro turbines to offer residents an eco-friendlier alternative to the Nigerian government’s power infrastructure.

Swimming with dolphins is a major tourist attraction for the village of Kizimkazi in Zanzibar. So NGO Impact Africa is trying to ensure that tourism remains sustainable and that the dolphins are protected.

At the Victoria Falls Snake Park, handlers are teaching local kids about snake behaviour and trying to raise interest for the protection of these slithering animals.

A host of new eco-projects including a solar power station and tree plantations aims to improve the environmental situation in one part of Tunisia.