An oil and natural gas field in the western United States is largely responsible for a global uptick of the air pollutant ethane, according to a new study. More here.
Alberta has had many severe wildfires over the years. While none has been quite as bad as Fort McMurray, the smoke from this one in 2011 near the Alberta-Saskatchewan border, could be seen from space. (NASA photo.)
Thousands of people are fleeing Fort McMurray as wildfire leaps highway and into city. More here.
Last week our new Prime Minister, Justin Trudeau, galloped onto the world stage to once again promise big cuts in Canada's climate pollution. Will he be able to deliver? Story here.