Biodegradable Bags Curbside Trash Curbside Organics Compostable bags & liners are allowed in the organics program. If you have a large amount of expired bags, they should go in the trash. Not Recyclable Biodegradable bags are plastic, but possess non-plastic materials that become contaminants in the recycling stream. Put them in your garbage instead. Ways to Reduce Use Reusable Bags Even if a bag is truly biodegradable, it’s always better to reuse it than to use it once and throw it away. Did You Know? Backlash Against Biodegradable Bags Since they started to become popular several years ago, there’s been a major backlash against biodegradable bags. Certain studies revealed that they may not degrade as well as advertised, and may even leave toxic chemicals behind. Biodegradable bags also require more raw materials to make and discourage reuseable or recyclable options. Unfortunately, confusion continues over how eco-friendly biodegradable bags are. Read more from The Guardian and the American Chemical Society.