Cassette Tapes Put in Garbage See Alternatives Don't Dump in the Trash Avoid dumping audio cassettes in the landfill because they will take up space. The plastic casing of the cassette tape can be recycle, unlike the magnetic tape. Alternative Ways to Recycle Mail to GreenDisk GreenDisk is a company that provides secured and audited disposal of personal property stored on digital media. Through their Technotrash Pack-It program, they will dispose of any unwanted audio cassette and VHS tapes. Find out more about their services. Ways to Reduce Donate Used Tapes Consider dropping off old audio cassette tapes at your nearest library or thrift store, which extends its lifespan.