Dust in the air is nothing new. But for the Amazon rainforest, dust from the Sahara is crucial for its survival. How does this happen though? Ian Ashpole explains the phenomenon. |

Read along while listening to our Medium: http://bit.ly/25upeLc |

Narrated by Vidish Athavale | Music by Kai Engel, Sergey Cheremisinov and Dexter Britain |

Ian is a postdoctoral researcher in geography at the University of Oxford. When he’s not collecting data from African deserts, he works on trying to improve the way that mineral dust is modelled in the UK Met Office’s climate model. He also loves cycling and The Great British Bake Off.