Vanguard

Laura Ling visits a native tribe in Brazil's Amazon forest.

Current's Mariana van Zeller travels to one of the most unstable regions in the world - Nigeria's oil-rich Niger Delta. She investigates what's behind the growing number of kidnappings and attacks in Africa's largest oil producer and the US's fifth largest energy supplier.

Methamphetamine is a bad drug. Most people know this. The Current Vanguard team looks at how the forces of globalization-technology, international networks, and transportation have transformed this once obscure pharmaceutical into a global epidemic.

As scientists warn of an alarming decline in ocean resources, Current's Mariana van Zeller travels to the Miskito Coast of Nicaragua where the depletion of lobsters is forcing local divers to take ever greater risks to earn a living.