The Peace-Athabasca River Delta is a stunning habitat. Rivers converge in a rich, marshy wetland before draining into the Slave River. But the Delta is in trouble. Since the building of the WAC Bennett Dam in 1967, annual floodwaters--once the ecosystem's lifeblood--have become a thing of the past. The Delta is drying up, and lakes and wetlands are being replaced by brush. Species like the muskrat are disappearing. Footprints in... see more