A women's group that supports female entrepreneurs is setting an example for ecologically minded startups. One of the women who's showing how it's done produces sustainable packaging using beeswax.

In Cairo, one of the world's biggest cities, traffic jams are a major problem. But biking activists are urging people to switch to bicycles, to reduce both overcrowding on roads and air pollution.

A vegan restaurant in Germany's capital Berlin has made the concept of zero waste its ethos. Any leftovers that cannot be further used are recycled in an innovative composting machine before going back to the suppliers.

The spekboom plant, excellent at sucking CO2 out of the atmosphere, has been badly degraded in South Africa. Now an initiative is using innovative planting methods to bring back the plant and restore soil and biodiversity.

Waste management is becoming a growing problem in Russian communities, including in the town of Klin. Residents fear the garbage could pose a serious health risk – but authorities are doing little to solve the problem.

Training, free hospital care and a microcredit program are on offer to communities close to the Lewa Conservancy in Kenya. The group believes conservation should improve the lives of people who live near wildlife.

Cape Verdean inventor and environmentalist Carlos Silva wants to help protect the environment by producing cosmetic products free of perfumes and artificial preservatives.

In Burkina Faso, huge tracts of land have been given over to shea butter production. These monocultures don't suit migrating birds and they are staying away. Now NGOs are working to bring the ecosystem back into balance.

A startup in Rwanda is bringing new solar-powered irrigation technology to farmers who hope to boost production and reduce carbon emissions by replacing their old systems that are run with polluting fuel pumps.

A lot of things we use come from fossil fuels, which means more non-biodegradable waste. But a scientist in Germany is looking for substitutes to counter this trend and is using popcorn as a replacement for polystyrene.