Illegal mining in Congo wiping out gorilla populations

[caption id="attachment_848436" align="alignright" width="600"] Fewer than 3,800 Grauer gorillas still live in the wild, down from 17,000 in 1998. (Image: Screenshot from YouTube video)[/caption] The population of Grauer's gorillas, the world's largest subspecies, has dropped by 77% in the last...