its always good to recycle!
Its smart to recycle. Recycling is a conventional way to dispose of your trash that saves greenhouse gas emissions
who invented recycling ?
Im not sure who came up wtht the idea originally, but it reduces energy use, air pollution and water pollution
thats understandble
Theres alot of ISO standards that relate to recycling. It can be very confusing. 
thats cool
What kind of materials can you think of that you can recycle? There is glass, paper, cardboard, metal, plastic..the list goes on and on.