Brazil uses radar to protect isolated tribes
Source: http://www.guardian.co.uk/world/2008/nov/20/brazil-tribes-amazon-forest
The Brazilian government has said it will employ heat-seeking radar in a last-ditch attempt to save the country's remaining groups of isolated Indians. The body-heat sensors will be mounted on a Brazilian air force jet normally used to monitor rainforest destruction and will be used to locate an estimated 39 groups of isolated indigenous people, hidden deep in the Amazon rainforest.
The authorities hope the system will help them to locate groups of isolated Indians to protect them from invaders such as loggers, goldminers and ranchers.
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