Long-time readers may remember that I'm doing a cigarette filter decay test (first post
here, November followup
here). It's been almost two months since my last update, so it seemed a good time for a new one!
The premise was simple: I'd read that cigarette butts are plastic,
cellulose acetate, and that they don't break down like natural fibers. So I wanted to see if it was true. My experiment began on August 28, 2010, with a freshly scavenged cigarette butt. I plunked it into a bucket of fresh water to simulate it being tossed into a gutter and carried to a nearby river or stream.
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Day 1 |
Each day I swirled the water 25 times to simulate the scouring effect of the river. Over the next five weeks, the cigarette butt became waterlogged & sank, and the paper started flaking off.
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Day 35 |
At Day
3537, I switched to saltwater to simulate the filter reaching the ocean. I then added a rock for extra scouring, and upped my daily swirls to 50. I tossed in a piece of paper flotsam too, for comparison.
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Day 37 |
By a little over two months, the receipt was a mushy pulp, and the filter paper was gone.
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Day 69 |
But the cigarette lived on.
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Day 69-b |
Which is where I left it off.
Three weeks later, November 26, it still looked mostly the same - tar stains and all.
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Day 91 |
Then it occurred to me that something was lacking. I had the seawater right, and the sand at the bottom, and the rock, and the swirling. But I hadn't added any new life - I hadn't added the micro-organisms that could potentially digest this thing and break it down. So on December 1 I added a couple teaspoons of yeast. Would anything happen?
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Day 99 - December 4 |
Why yes. Yes something would happen! It worked like a charm. The yeast activated (
slowly - the water was only room temperature after all). Within a few days it had devoured the paper pulp and left a brown, slightly smelly residue in the bottom and along the sides of the bin. But the cigarette butt? Unchanged, unaffected. Uneaten.
Moving on through Hannukah, my early-December birthday, and finally Christmas, we come to today, December 30, 2010:
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Day 125 |
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Day 125 - Ready for the closeup |
So. More than 4 months in, under fairly savage treatment, attacked by sand, rock, swirl stick, bacteria, light, water, salt. And this still looks like what it is: a used, fouled cigarette butt.
Cigarette butts are a scourge. They are everywhere. In
gutters,
playgrounds,
plantings,
parks. Flicked out of
car windows, stubbed out at the
beach. I've recovered some 2,000 from Bay View. Danielle Richardet in North Carolina
has collected over 12,000! With no sign of stopping.
They're not just ugly, they're poison. One used cigarette butt in two gallons of water is enough
to kill the low-order life in that water. The world produces
5.5 trillion cigarettes each year. If only 10% of those were littered, that's still 550 billion --
550,000,000,000 -- cigarette butts polluting our world. Each year. Here's a handy list of just a few of those pollutants:
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Pick any, they're all good |
And, as I hope I'm starting to show, they don't break down. That cigarette your co-worker flicked into the gutter last winter? Still around. The cigarette your careless buddy tossed out the car window a decade or two ago when you were all young & crazy? Still around.
But don't worry, it's got plenty of company.