CD cases are recyclable, and people can usually recycle them through their community's recycling center or through a national CD recycling center, such as the CD Recycling Center of America. In some cases, people can place the CDs in their curbside recycling bins and have their normal trash service pick them up for recycling.
In order for polycarbonate plastic CD cases to be the most recyclable, there needs to be a large number of them, so recycling centers collect them for this purpose. Recycling these cases is important due to the toxic chemicals that the cases can release when incinerated.
An alternative to recycling CD cases it to reuse them. For example, people can sell them secondhand to music collectors or use them for craft projects.