Coffee Grounds To The Rescue

Organikos

Kevin O’Mara/Flickr.com

Thanks again, after a series of earlier excellent items, Anthropocene:

A caffeine fix for heavy metal cleanup

by Catherine Elton

Each year, coffee drinkers across the globe create six million pounds of waste in the form of spent coffee grounds. Some of us chuck it in our compost pile, but most of it becomes just another garbage disposal challenge.

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