This Canadian city has been plagued by a mysterious humming sound for years
February 21, 2018, 2:14 p.m. by Christian Cotroneo
Frustrated residents have asked the prime minister to intervene.
California wildfires creating air pollution crisis
October 12, 2017, 4:36 p.m. by Michael d'Estries
Smoke from the blazes is creating the worst air quality ever recorded in the region.