Here's a map of the major pipelines emanating from western Canada. How many protestors even knew of these ten years ago? These essential infrastructure projects pump tremendous amounts of crude daily that fuels a significant segment of our national economy, and have operated with minimal spills for decades.
One line runs under the straits of mackinac connecting Lakes Huron and Michigan, I can't even imagine the tremendous backlash and wailing if this pipeline was proposed today. Opppsing these projects just makes no sense, you might as well try to block other essential infrastructure like airports and railroads while you're at it.