Grist: Epic floods forced more than 100,000 people to flee their homes last week in Calgary, Alberta, the tar-sands mining capital of Canada. More than seven inches of rain fell on the city over the course of 60 hours.
Now the floodwaters are subsiding throughout the province, leaving in their wake an oil spill, power outages, and questions about how climate change might affect flooding.
Alberta Premier Alison Redford said the crisis was like nothing that weve ever seen before, the Calgary Herald...