Potential Keystone Pipeline Leaks Underestimated, Study Finds

Potential Keystone Pipeline Leaks Underestimated, Study Finds

A study released Monday suggests that the worst-case spill scenarios contemplated by TransCanada, the company behind a proposed 2,000-mile pipeline linking oil deposits in Canada to the American Gulf Coast, are grossly underestimated -- and that hundreds of rivers, streams and aquifers are vulnerable to toxic oil contamination.