K-Cups on display at an event.

(Sergi Alexander/Getty Images For SBWFF)

The man who helped invent the K-Cup is admitting he sometimes regrets creating a product that’s so rough on the environment.

As for thethat is recyclable, the Natural Resources Defense Council says the cups' size decreases the chance of it even going through with the recycling process.

This week, the Atlantic published comments from Keurig co-inventor, John Sylvan. He told the magazine, “,” in regards to the environmental impacts.

It’s worth noting that Sylvanin the company in the late-90s, according to The Atlantic. That’s long before the product started taking up counter space in offices and homes across the U.S. (to be exact, according to a late-2014 report from the Burlington Free Press).

In 2014, weather.com reported on the surroundingthose little, single-use K-Cups. According to Mother Jones, only , which is the most popular brand, are made of recyclable plastic. The other 95 percent are made of #7 composite plastic, which isn't recyclable in most of the U.S., the website explains.

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Keurig is aware the K-Cups are getting a bad name in environmental circles. The company saying it's diligently working toward its 2020 sustainability targets — which includes making the single serve cups 100 percent recyclable.

So far, Keurig has already implemented a "Grounds to Grow On" program, which allows companies in the U.S. using commercial Keurig machines to collect and return used K-Cup packs to the company's disposal partner. The packs will be composted and go through energy-from-waste processing. Keurig is also working toward their goal by offering the Vue pack, a collection of cups made from recyclable polypropylene #5 plastic and the My K-Cup accessory, which has a reusable filter.

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