Brazilian berries pose rainforest threat

In the Brazilian Amazon, the Acai berry is creating a farming boom.

Indigenous groups discovered Acai more than a century ago, and now it's taken off in the rest of the world.

The global phenomenon of the so-called "superfood" is causing concern, however, for the health of the rainforest.

Al Jazeeras Gabriel Elizondo reports from Belem, in northern Brazil.