recycling
US /ˌriːˈsaɪ.klɪŋ/
UK /ˌriːˈsaɪ.klɪŋ/

1.
the action or process of converting waste into reusable material
:
•
We need to improve our recycling efforts to protect the environment.
•
The city has a new program for curbside recycling.
the action or process of converting waste into reusable material