What you should (and shouldn't) do with all of your old phone chargers and other e-waste

Most of us have accumulated a stash of old devices, chargers and cables that sit forgotten in our homes. MikhailSk/Shutterstock

The statistics surrounding mobile phones are staggering. There are more than 7 billion mobile phone users worldwide, nearly 5 billion of whom use a smartphone.

These devices are a fundamental part of our lives. But, as electronic devices are constantly improving, older models quickly become outdated.