Survival International was established in 1969 after journalist Norman Lewis wrote a feature called 'Genocide' for the Sunday Times about the Amazonian tribes being obliterated.
They were targeted, killed and their land was stolen, and the government would do nothing to stop it.
The charity was formed as a reaction to the outrage the article caused.
They mostly work in South America, but also have projects in Africa, and guard remote tribes in
the Andaman Islands in India, and Asia.
For more information please visit http://www.uncontactedtribes.org/.