Biodegradable versus compostable. Is there a difference? Chances are you've been using the words "biodegradable" and "compostable" interchangeably. But the fact is, they are quite different. Here's how...
A biodegradable material is not necessarily compostable. A compostable material is always biodegradable. (bagtoearth.com)
Biodegradable
When something is biodegradable, it means that the material will eventually break down and return into soil and water.
In order for packaging products or materials to qualify as biodegradable, they must completely break down and decompose into natural elements within a short time after disposal – typically a year or less (Heritage Paper).
Examples of biodegrable materials: corrugated cardboard, paper, rope, orange peels, cotton
Compostable
When something is compostable, it is similar to biodegradable in that the material is broken down. The difference is that when something is compostable, it provide nutrients to the earth once it breaks down.
A compost requires the right level of heat, water and oxygen to support microbes and support the breakdown. Products that compost leaves no visible, distinguishable or toxic residue and generally help improve the soil (The Do Something Project).
Examples of compostable materials: food, leaves, grass clippings, tea leaves and bags.
Biodegradable versus Compostable
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