Upcycling

As digital music files become increasingly popular, compact discs are likewise becoming obsolete. There may still be a use for some existing CDs, however, as the gold foil in them could be used in the production of wearable biosensors.

​Though efforts are underway to tackle the plastic waste problem, the images of vast islands of floating plastic available online show that there is still much to be done. American Express has announced a collaboration with Parley to create the first credit card made mostly from ocean plastic.​