Portia Sinnott, ZWUSA, Zero Waste Principles and Tools December 3, 2020November 1, 2020 by zwcadmin https://zwconference.org/wp-content/uploads/presentations/12-2-2020-sinnott-zwusa-nzwvc-zwcp-presentation.pdfPortia Sinnotthttps://zwconference.org/portia-sinnott/
