Meals for Microbes

In many places, leaking fuel from gas station underground fuel storage tanks is an environmental hazard threatening groundwater. In California, where clean-up has been a priority, use of a new cleaning method is starting to move ahead and it’s called bio-remediation. In bioremediation, microbes already existing in the soil go to work on the fuel so people don’t have to. Cheryl Colopy reports on the technique and if it will actually do the job.