Mary Beth Calnan, Melrose recycling coordinator, holds regular "trash audits" at Melrose Schools. The school holds over the garbage from the previous day and Calnan dumps out a bag, rummaging through the pile and asking students whether items could have been recycled or reused, rather than thrown away.

wickedlocal.com/melrose/archive/x512364805/School-trash-audit-is-dirty-duty

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