Organic waste, from food scraps to yard trimmings, can be composted. While it can be composted at home, most of the materials end up in commercial composting programs or, if there is no composting service, in a landfill. In this Earth911 Quiz, your knowledge of what can be composted and how this recycling option emerged since the 1970s will be tested. Are you ready to break down commercial composting?

Making smart sustainable choices requires practice. Earth911’s weekly sustainability quiz helps you hone your ability to recognize earth-friendly products and services. Through your daily choices — from transportation mode to purchases to waste disposal — you can make a positive difference.

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By Earth911

We’re serious about helping our readers, consumers and businesses alike, reduce their waste footprint every day, providing quality information and discovering new ways of being even more sustainable.