Toxic waste spill in northern Alberta biggest of recent disasters in North America

PublishedWednesday, Jun. 12 2013, 2:10 PM EDT

...The spill was first spotted on June 1. But not until Wednesday did Houston-based Apache Corp. release estimates of its size, which exceeds all of the major recent spills in North America. It comes amid heightened sensitivity about pipeline safety, as the industry faces broad public opposition to plans for a series of major new oil export pipelines to the U.S., British Columbia and eastern Canada....

...“Every plant and tree died” in the area touched by the spill, said James Ahnassay, chief of the Dene Tha First Nation...