Declining caribou numbers have sparked concerns over the long term viability of herds. There are fears that several herds may even be on the brink of collapse. With many northern people relying on caribou as a major part of their diets, it’s a problem that has governments and communities worried. So just how serious is the decline? Is it natural or human induced? And what does it mean for people who rely on Caribou? To find out we talk to a biologist, native hunters, a sociologist and an economist about the state of Canada’s iconic caribou.