Feb 05, 2012


What is Biodegradable?

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biodegradable manure pile with mushroomsWhat is biodegradable? A seemingly simple question has a multitude of different answers. If the various governing organizations cannot agree on a definition of biodegradable, then how is the average person supposed to understand what it is? The US Environmental Protection Agency (EPA), a government agency created to protect human health and the environment, defines biodegradable as those materials with the capacity to decompose under natural conditions.


American Society for Testing and Materials (ASTM), the leader in setting international standards, states that biodegradable is a degradation of a material, brought about by a biological activity, particularly enzymatic action, which can lead to chemical structural changes.


The Federal Trade Commission (FTC), another US government agency created to protect consumers and pursue law enforcement, has created guidelines on what legitimately qualifies as biodegradable being materials that after breaking down and decomposing with exposure to air, moisture and bacteria, they will become elements found in nature.


Since the FTC will take actions to prohibit and eliminate unfair and deceptive practices, their definition is the one that manufacturers must worry about if marketing a “biodegradable” product.


Biodegradable Materials


Examples of biodegradable materials include fruits, vegetables, leaves, paper, seeds, and many others.


Plastics are generally non-biodegradable. The exception is bioplastics. These plastics are made from organic materials such as cornstarch and tapioca. Hence, when exposed to decomposing agents, they can biodegrade.


Most people believe that biodegradable is synonymous to compostable. However, this is not the case. Compostable is more earth-friendly than biodegradable. In the case of plastics, the American Society for Testing and Materials (ASTM) said that compostable plastics must be able to break down with the same rate as paper. Its end products would be water, carbon dioxide and biomass.


Non-biodegradable


Non-biodegradable materials, on the other hand, do not break down easily in the environment. These materials pose a threat to the surroundings since they simply pile up even after many years. Materials that you see in landfills are mostly comprised of non-biodegradable materials such as plastics. In fact, plastic containers, bags, and other plastic materials create more trash in our landfills than appliances and furniture combined.



(2010) Biodegradable Substances. Retrieved August 12, 2010

(2010) What Does "Biodegradable" Claim Really Guarantee. Retrieved August 12, 2010

(2010) Biodegradable and Non-biodegradable Materials. Retrieved August 12, 2010

(2010) Degradable, Biodegradable, Compostable. Retrieved August 12, 2010

(2010) Image by Simon Howden


2 comments

  • Comment Link Collins Pt Saturday, 25 September 2010 05:40 posted by Collins Pt

    Very informative!!

    In recent times, the world is becoming cognizant about the hazardous effects of plastic bags on the environment.
    Also PLA has been used to line the inside of Paper Cups in place of the oil based lining more commonly used, create Plastic ( bioplastics ) Cups, Cutlery, Carrier Bags, Food Packaging and even Nappies.
    Thanks,

  • Comment Link GoodsWithStory Thursday, 03 November 2011 07:34 posted by GoodsWithStory

    Ok, now it makes sense. Sometimes all that terminology is confusing and somewhat uncertain.

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