The World Food Programme has had to temporarily halt its work in Sudan. The African Union and America have both called for a stop to the fighting. But prospects of peace talks are not looking particularly optimistic, says Tom Fletcher.
Clashes in Khartoum have turned deadly as two rival military factions fight for power. As the conflict escalates, a transition to civilian rule could be in jeopardy. Europe’s cities have a worrying pollution problem and clearing the air is proving difficult. And a new way to measure the environmental impact of food.
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