When Ngaira Mandara posted a short clip showing one of Dar es Salaam's best known monuments struggling with the heat, he received an overwhelming response. His animations help raise awareness about global warming.

More than a million tons of shoes are thrown away every year in Europe alone. German company Sneaker Rescue wants to change that, by giving worn out sneakers a new lease of life.

In Norway, amid icy temperatures and dark winters, a former ship's cook grows herbs and vegetables in the Svalbard archipelago. This unique gamble is providing people with a sustainable food supply in extreme conditions.

Modern devices like computers and phones have improved our world and how we do business. Unfortunately, they are hard to get rid of. Now a Nigerian company is using best-practice methods to recycle these electronics.

In order to slow down deforestation in Madagascar, an NGO is teaching local villagers how to make charcoal out of plant remains instead of cutting down more trees for fuel.

While kayaking down Germany's rivers, a photographer started pulling plastic rubbish out of the water and taking pictures. His artwork drew attention to the problem and started a volunteer cleanup movement.

By convincing poachers to join the other side, a small group of rangers in Uganda's Murchison Falls National Park has seen the elephant population go from around 400 to over 1,600 in recent years.

Worldwide millions of tons of plastic are discarded yearly. But recycling is made difficult since many products are bonded to other materials. Now an engineer has developed technology for separating and cleaning them.

The Iles Ehotiles National Park in Ivory Coast is full of rare species. The reserve's manager not only brings in money through tourism, but is trying to persuade locals of the value of nature conservation.

An inventor in Tanzania has provided a workshop for other innovators to turn their ideas into reality. So far they have already been able to launch several new innovations to make life a little easier.