Compostable plastics often go to landfill. Here's one venue that gets them composted

"Certified compostable plastic cups, cutlery, coffee pods, clamshell containers and other packaging may be touted as greener options at the grocery store, but they're banned from most residential organics programs in Canada, a recent Marketplace episode showed. That means many of them end up in landfills, where they can take a long time to break down and generate the potent greenhouse gas, methane, when they do.

The good news is that while you typically can't put them in your green bin for curbside pickup, some of these compostable plastic products are being composted in Canada by composting facilities that deal with organic waste from commercial and institutional buildings, and even some condo and apartment buildings."

Read more.