After leaving Calgary, Alta., in the clear for most of the summer, heavy wildfire smoke has arrived to cast a familiar orange tint over the city. And, with more smoke likely on the way as we head into ...

Add Yahoo as a preferred source to see more of our stories on Google. Whether you live in Canada, are planning a trip to Canada or live in a region of the United States that borders Canada, you'll ...

Many climate monitors have been predicting an extra-strong El Niño this year that's expected to peak in the winter. But the summer season has already brought weather-related chaos and even devastation ...