Conversations matching "trash"
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Started by Benjamin St John, Phoenix, AZ, United States
Clean Fuels (Alternative Fuels) In Refuse Collection Trucks: The Compelling Case for Converting to CNG or LNG from Diesel or Biodiesel
Started by Bob Wallace, New River, AZ, United States
Train urban crows to pick up the number one urban litter item, cigarette butts. Butts cause water quality degradation in local streams.
Started by Jack Frye,