Scientists say system to treat contaminated wastewater offers a model for ensuring food security in a fast-warming climate

All it took to turn the murky, heavily polluted waters of South Africa’s Stiebeuel River into a resource clean enough for irrigating a community’s vegetable plots was a collection of stones, heat-treated wood and sand.

Without chemicals and using renewable energy, researchers from the University of Cape Town are cleaning 36,000 litres of water, polluted by sewage, chemicals, and traces of drugs and medication, every day to make it usable for growing food in a fast-expanding informal settlement along the course of the river.

Sexual and reproductive services face an uncertain future as the country’s second-largest donor halts support worth hundreds of millions of pounds

The Swedish flag is still flying above the pale blue building overlooking the Atlantic in Liberia’s capital, Monrovia, but the doors of the embassy are now closed to visitors. On 31 August, the Swedish embassy in Liberia ends a presence in the country that dates back to 1961.

The billions of kronor of aid that Sweden pipes into the west African country will end on the same day, as sweeping cuts to Swedish development funding come into effect.

More than two dozen teenagers stuck in the Spanish territory of Ceuta shared their reasons for joining the treacherous mass crossing in July

For Fatin, one of the teenage girls now living in limbo in a makeshift camp in the Spanish city of Ceuta, the decision to leave her home in Morocco began to form when she had to give up school.

She wanted to continue studying, she says, but at home she was expected to take responsibility for the housework instead. As classes and learning gave way to domestic chores, the future she had imagined for herself began to feel increasingly distant.