With waste to landfill becoming an ever critical concern, the Institute of Waste Management of Southern Africa (IWMSA) calls to attention the necessity for managing all our waste streams, especially that of organic waste.
Anything from 35% to 40% of all waste that is sent to landfill
is organic; that is, of plant or animal origin, and able to be broken down by other living organisms. “Something that is not often stressed, is that despite the fact that waste may be organic, once it reaches a landfill and decomposes under anaerobic conditions (where oxygen is not present), it is responsible for producing quantities of methane gas as well as releasing potentially hazardous chemicals into the landfill’s leachate, and thence into the groundwater,” says Stan Jewaskiewitz, president of the IWMSA.
Landfills have limited lifespans
“We may think that our biodegradable waste is fairly harmless, but this is a misconception and needs…