Green Genius: Biodegradable trash bags that REALLY biodegrade

February 4th, 2010

[Watch video on YouTube]

Not too long ago, a family member was excitedly telling me about her latest green purchase: an adorable little dog bone–shaped leash clip that dispenses biodegradable doggie doo bags. She had come across it at the checkout counter of The Container Store, and couldn’t resist — after all, who doesn’t want to feel guilt-free about tossing doody-filled plastic bags in the dumpster three times a day?

I hated to burst her bubble, but here’s the secret about those bags, and a lot of those other “biodegradable” bags: They don’t actually biodegrade. Well, at least not in normal landfill conditions. You see, those bags are designed to break down in composting environments only — that is, when exposed to air, sunlight, and natural microorganisms in the soil. That’s great if you want to use one of those bags to line your compost bin (but don’t throw dog waste in there; that requires a special kind of composting), but useless if you want to use it for your trash. In the anaerobic environment of the typical sealed landfill, those “biodegradable” bags essentially become mummified — as does any other kind of organic matter, for that matter.

That’s why I’m intrigued by a new brand of plastic bags by a company called Green Genius: They’re designed to actually break down in a sealed landfill. Watch the video, above, to see how it all works.

For lack of a better word, this sounds like a truly genius invention. My only question is this: If the methane that would have been released over 1,000 years as a traditional plastic bag breaks down in a landfill is released in a much shorter period with these new biodegradable bags, what happens if there’s no methane capture project attached to that landfill? Methane is 23 times more powerful a greenhouse gas than CO2 — will we suddenly have a lot more methane being released into the atmosphere?

Of course, I’m not saying that we shouldn’t embrace a product that could potentially put an end to the plastic pollution smothering our planet; I, for one, am really excited to go pick up my first box of Green Genius bags. And maybe this will be the impetus to hustle up and promote methane capture on a wider scale.

The bags, which are also made from 40 percent recycled plastic, are currently available in tall kitchen and large outdoor sizes. Click here to find out where to buy them.

–Jennifer Grayson