Indigenous leader Filipe Gabriel Mura stands before Soares Lake in Brazil’s Amazon, looking out at the amber waters that are surrounded by a jagged shoreline that has been home for centuries to Indigenous people known as Mura.

Beneath Brazil's Amazon rainforest, one of the planet's largest potassium reserves is fueling tensions between industrial ambitions and Indigenous rights.

Beneath Brazil’s Amazon rainforest, one of the planet’s largest potassium reserves is fueling tensions between industrial ambitions and Indigenous rights.

Chemicals are everywhere, even in our food, and there's one controversial chemical that should be on your watch list. It's even banned in some countries.