Environment Canada has issued weather alerts across the country as temperatures as high as 37 C are expected to arrive this week. The warnings , which cover Alberta, Ontario, Quebec and a handful of areas in the Northwest Territories and Saskatchewan, are classified as either yellow or orange, depending on how high temperatures are expected to soar. Environment Canada says these warnings are put in place when hazardous weather may cause damage, disruption, or health impacts. For yellow warnings, impacts are moderate, localized and/or short-term, while orange warnings indicate major...