From airport scale worm composting to vermicomposting farm waste, the idea of using worms to eat our garbage is no longer confined to plastic tubs in TreeHuggers’ basements.

But it turns out that worm composting is not just a convenient way of breaking up organic waste, or creating fertilizer. ScienceBlog reports that worm composting can also play a crucial role in remediating wastes and removing toxic heavy metals from biosolids:

(Source: speakerforthetrees)

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Worm Composting Soaks Up Heavy Metals, Remediates Waste