Subjects: *SIMULATION methods & models; WATER filtration; SCHOOL field tripsILLINOIS; UNITED States
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Subjects: WASTE recycling; COMPOSTING; TRAINING
Subjects: WASTE recycling; COMPOSTING; CONFERENCE proceedings (Publications)PORTLAND (Or.)
Subjects: NONPROFIT organizations; PREVENTIVE medicine; PREVENTION of obesityPHILADELPHIA (Pa.); PENNSYLVANIA
Subjects: WASTE recycling; POLITICAL participation; ECO-Cycle Inc.
Subjects: BIOLOGICAL societies; FOOD industrial waste; BUSINESS expansion