KWL table. A KWL table, or KWL chart, is a graphical organizer designed to help in learning. The letters KWL are an acronym, for what students, in the course of a lesson, already know, want to know, and ultimately learn. It is a part of the constructivist teaching method where students move away from what are considered traditional methods of teaching and learning.
(rÄ­-dÅ­kâ²shÉn) n. 1. The act or process of reducing. 2. The result of reducing: a reduction in absenteeism. 3. The amount by which something is lessened or diminished: a reduction of 12 percent in violent crime. 4. A sauce that has been thickened or concentrated by boiling.
Waste Reduction. Waste reduction (or prevention) is the preferred approach to waste management because waste that never gets created doesn't have waste management costs. An example of waste reduction is reducing unnecessary packaging from manufactured products and produce.