ENV201H5 Lecture Notes - Lecture 9: Hummer, Final Good
Document Summary
Measure inputs/outputs associated with any consumer good (pollutants, waste generated) inventory of inputs/outputs associated with production, use and disposal (process) Home laundered: dryers/waters with hot water use lots of energy. Cloth commercial: lower energy use but more water (use a lot of water to make diapers clean) Challenge of interpreting results --> no clear winner. Lca: good way of making sure we are making informed decisions but doesn"t necessarily give us right answers. Amount of energy in building, operating, disposing vehicles on a cost per. Assumed people w/ prius bought cars more often, for prius took into account recyclable materials but no credit given to recyclable parts. This example highlights that although it is a simple process, there is a lot of thought that needs to be put into it --> think about what went into those results. Same units: how to compare energy usage vs. water usage.
