An inventor has developed an ashtray made of cigarette butts that have been digested by a fungus. Cigarettes usually take around 15 years to decompose, but this technique does it in just two weeks.

In South Africa, volunteers are helping the endangered western leopard toad survive a major threat facing the species: roads. Tunnels have been built under roads, while activists are also helping them cross the street.

The Earth now has 7.9 billion people. To keep them fed is a big challenge. A new FAO study indicates that food security can only be achieved if we grow and distribute food differently. DW looks at the facts and figures.

In Kenya, a startup is using cutting-edge technology to help farmers improve their crop yields and cope with the effects of climate change. Satellites provide both harvest forecasts and reliable weather data.

A project in Nigeria is promoting sustainability and combating climate change through organic farming practices. Instead of chemicals they are showing people how to make and use organic alternatives.

The climate crisis and water-intensive rice cultivation are making Mali's land increasingly arid. Now many farmers are switching to using the ancient and nutritious fonio grain, which can cope well in dry conditions.

Water is a valuable commodity in Tunisia, especially in the region of Kairouan where it is hot and rain is scarce. But better water management could help dispel tensions and anxiety among local farmers.

In Andalusia, several groups are fighting large mineral water companies. In the Ducral Valley, citizens are especially worried about water scarcity as millions of liters of drinking water are being diverted.

Senkelle Swayne's Hartebeest Sanctuary in Ethiopia is home to a rare antelope known as Qorkey. To protect the animals the Oromo people came up with new guidelines on how to work together with local communities.

In Rwanda, famers can now rent mobile drying devices for crops like rice, maize or beans instead of turning to the sun or diesel-powered fans. The units run on biowaste or solar power and are nearly CO2 neutral.