PET bottles can be used to make many types of objects: new PET bottles, pens, bags, coats…but the most easy way is to simply press them into blocks to send off by container.
SOLUTION
S
olution n°1:
CAVE: Separate the lies from the bottles as it is not the same type of plastic. Like hard plastic, it can be ground into bits to make new objects.
Solution n°2:
You can use PET bottles to create daylight without electricity, as this documentary shows:
Solution n°3:
You can simply dispose of them by compacting and sending them to specialised industries.
Solution n°4:
You can use PET bottles to disinfect water in a natural way to make it drinkable. Very easy way to make drinking water.