The conversion of material from one or more products into a new product, involving a change in the inherent properties of the material itself (often a degradation in quality). For example, recycling plastic bottles into plastic drainage pipes. Often called downcycling or reprocessing.
In regards to food (both plant and animal) and other agricultural products (such as cotton), a term describing the absence of pesticides, hormones, synthetic fertilizers and other...
The act of consuming something in excess of its ability to be renewed.
The act of removing more than the sustainable amount of a resource that would insure its renewal for future generations. Typically related to fishing practices, the term can be app...