Why are rain forests an important global resource?

The rainforest is unique environment, it is important because:

It can sustain a huge number of species, some undiscovered.

Rainforests are often seen as the lungs of the Earth, taking in carbon dioxide and providing oxygen.

From a human point of view it is an amazing resource of timber and land, but this is a controversial activity.

The Amazon rainforest is home to many tribes, some of which have rarely been seen.