Dogs could help with a major environmental concern

Most of the world’s economies are heavily dependent on petroleum. Yet environmentalists fear that oil spills are endangering earth’s ecology, both at sea and on the land.

Much of the distribution of oil in North America takes place through underground pipelines, but those pipelines can leak. The resulting oil spills can cause a lot of damage. But how to detect a small leak before it becomes a big crisis?

The petroleum industry has just been offered a helping hand (or nose, that is) in the form of Duke, a Labrador Retriever who has been trained to sniff out oil underground.


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