Continental Fortress: How Alberta Became the World's Largest Rat-Free Zone

Alberta's 70-year rat-free status represents a landmark achievement in invasive species management, proving that eradication is possible with early intervention and sustained border security. Unlike most cities spending millions annually on permanent rat control, Alberta's decisive action—sealing ecological corridors before rodents could establish themselves—demonstrates prevention's superior cost-effectiveness. This case reveals the hidden infrastructure of civilization: the continuous vigilance required to prevent ecological collapse.