Caribou in Alberta's oil sands stressed by human activity, not wolves
Wednesday, June 22, 2011 - 10:30
in Earth & Climate
Caribou have been dwindling in Alberta for several decades and some scientists believe they could be gone entirely in 70 years. In the area of the petroleum-rich Athabasca Oil Sands in the northern part of the Canadian province, some say they could disappear in as little as 30 years.