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Tuesday, March 11, 2008

When Mushrooms come to our help

Fight Oil Spills with Mushrooms

In the war against ocean pollution, environmentalists have a new ally in mushrooms. As nature’s morticians, mushrooms have the unique ability to take dead things and make them pretty again by turning decomposed matter into nutrients. In fact, they’re so adept at tearing down and rebuilding chemical compounds that even oil spills are no match for their natural abilities.


In November 2007, when an oil tanker sprang a leak in San Francisco Bay, 58,000 gallons of oil seeped into the water and beaches. A group of local activists decided to take the cleanup into their own hands, using a technique originally developed to dispose of used motor oil. They headed for the shore and laid out mats made of human hair that were covered in oyster mushrooms. The hair quickly soaked up all the oil, while the mushrooms digested the dangerous chemicals. Within 12 weeks, only harmless compost remained. Although technically illegal (the EPA and the Coast Guard prefer leaving toxic waste to trained cleaning squads), the hair-and-mushroom technique was a success. Actually, the process is so simple and cost-effective that grassroots organizations and local governments are encouraging federal officials to use it as a way to clean up contaminated soil on old factory sites and hurricane-damaged areas of New Orleans.

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