On a moonless night in the Kenyan lakeside town of Naivasha, Anne sits inside a makeshift, two-room house, exhausted after a gruelling shift picking and sorting roses. Anne (not her real name) is a ...

We know roses are red but can they also be green? In Europe, most flowers - particularly those amorous bouquets of roses we receive on Valentine’s Day - come from large-scale flower farms in Kenya or ...