30 Nov '11, 12pm

Charlotte Airport to Start Worm Composting

Charlotte Airport to Start Worm Composting

If you travel through the Charlotte Douglas International Airport in Charlotte, N.C., next year and throw away an apple core or half-eaten sandwich, your leftovers won’t be wasted – they’ll become a feast for worms and eventually a nutritious soil amendment. The airport plans to open a new $1.1 million recycling center in February with a worm-based composting system that can handle up to two tons of waste per day, the Charlotte Observer reported. Compostable materials like food scraps, paper waste, bathroom towels and plant trimmings will be collected from the airport and loaded into a 1,600-square-foot pre-composter with odor controls. Once the materials are partially broken down in the pre-composter, they will be fed to 300 pounds of worms, living in an 8,000-square-foot worm bin. The worm’s excrement – or castings – will be harvested and used as a fertilizer on the airp...

Full article: http://earth911.com/news/2011/11/30/charlotte-douglas-air...

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