Understand the drivers behind why climate change is increasing the incidence of child marriage with the CEO of Girls Not Brides, Dr Faith Mwangi-Powell, on the latest Climate Curious. Climate change is increasing the incidence of child marriages, shares this week’s quickie expert Dr Faith Mwangi-Powell the CEO of Girls Not Brides. Tune in to discover how globally, every year, 12 million girls are married below the age of 18. That’s one girl every three seconds. And why crop failure, drought and extreme weather is pushing families to look for income outside their natural resources.