Cullet

Cullet is a recylced material made out of glass particles. It has millions of glass pieces that are melted together through a process to recycle the glass. It is used to create new glass objects, such as bottles, jars, and windowpanes. 


Source
These are a glass recycling plant\'s cullet piles! They are sorted by color.
http://www.gabbertcullet.com/backlot.html

Recycle

Recycling is a way to help maintain the health of the environment by turning waste into reusable materials. It is mainly used for limiting plastics, like bottles, and reducing the amount of waste put in landfills. 


Source
https://www.columbus.af.mil/News/Article-Display/Article/618495/full-on-tree-hugging-with-mike-mike/