Recycling means to take materials like paper, plastic, glass, or metal that have been used before and process them to make them usable again. It helps to protect the environment by reducing waste and conserving natural resources. Full definition
There is not a lot of recycling of material from old cars. (ramblingsdc.net)
Also, it's easy enough for the public to generally go along with green measures if they are painless, or relatively so, like putting our paper in recycle bins. (climate-resistance.org)
The use of recycled materials in food packaging applications is governed by the same principles that apply to all food packaging. (foodsafetymagazine.com)