San Diego Zoo Safari Park says eight gorillas that live together at the park have the virus and several have been coughing.
Opening up parts of the Virunga and Salonga National Parks to drilling would place wildlife - especially endangered species- at risk and release huge amounts of carbon dioxide into the atmosphere, causing global warming.
A new survey shows Africa's critically endangered mountain gorillas have exceeded 1,000 after conservation efforts, making them the only great ape in the world considered to be growing in number.
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