Hello out there! Me again.
I just thought I'd post a quick note because of something I overheard the other day.
Two people were talking about trash in landfills, and the one guy said "Something something, blah blah, that's not biodegradable!" (I didn't quite hear all of it...) and the other guy said "Bio-what now?"
That made me pause, and think.
We use the term biodegradable so often when talking about environmentalism... Do we really know what it mean? (You keep using that word. I do not think it means what you think it means.) I thought again, and realized I didn't really know what it meant... I knew it had something to do with the way garbage was naturally broken down in landfills, but that was about it...
So, like what any true member of Generation X would do when faced with a question.... I googled it!
And this, is what I came up with:
Biodegradation is the process by which organic substances are broken down by the enzymes produced by living organisms.
Hmm...
I guess that means, biodegradation is what we call it when garbage in landfills gets broken down into it's chemical parts by the living organisms surrounding it.
What we most use the term in connection with (in my opinion anyway) is when we're talking about how long something will take to biodegrade...
This is important, because while most garbage will degrade eventually, some materials will take a lot longer than others.
I'm gonna post a link to this really nifty table I found on the Wikipedia article on the subject. It gives the time it takes for different materials to biodegrade. Like did you know that your old leather shoes could be sitting in a landfill for 25 to 40 years? Or that diapers (I'm assuming used) could be there for up to 500 years!
Knowing how long it takes different materials to degrade in landfills can tell us what types of materials we should be using, and which ones we should probably cut back on.
For example, special biodegradable paper cups will be gone in about 75 days, while a typical Styrofoam cup (like for coffee) will be there forever... They aren't biodegradable.
Well, so much for a short post. This turned out a lot longer than I thought. But I felt it was an important topic. Certainly worth the time it took to post about it. I hope you can take a minute or so to read about it, and hopefully learn something that can help us all.
Okay.... Link to the Wikipedia article about Biodegradation (where I stole the blue text from), it also has that table I mentioned :
And a picture, for your consideration :
3 comments:
Ah harkens back to my Biology classes. BTW love the comments being another pop up so I can look back at what I read to comment better. Good overall blog with links and comments, keep it up!
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