The world's wildlife remains under increasing pressure because of human encroachment, the effects of climate change and — especially — poaching. It is estimated that the global wildlife trafficking market is worth up to $23 billion. Conservationists are fighting back to save some of the most endangered species we have left. Faith Lapidus reports.
Researchers examined mortality estimates for more than 15.2 million international migrants; overall, migrants were about 30 percent less likely to experience premature death from all causes than natives of the countries where they moved