Oil and gas is the largest greenhouse emitter of Canadian industry. But given its place in the economy, politicians and policy makers are weighing how it fits in with the country's emission goals.\n\nOn this episode of This Is Why, we look at what provincial and federal governments could and have done to address Canada's biggest emitter.\n\nContact:\n\nAdam Toy - @Adam_Toy on Twitter\n\nDave McIvor - @dmcivor770 on Twitter\n\nThis is Why - @ThisIsWhy on Twitter\n\nEmail us - thisiswhy@globalnews.ca\n\nGuests:\n\n\n\nChris Severson-Baker, Alberta director of the Pembina Institute