In cities that use single-stream recycling, consumers put all of their recyclable materials into a single bin. This approach ...

In cities that use single-stream recycling, consumers put all of their recyclable materials − paper, cardboard, plastic, ...

Successful recycling requires some care. Alejandra Villa Loarca/Newsday RM via Getty Images Alex Jordan, University of ...

In cities that use single-stream recycling, consumers put all of their recyclable materials − paper, cardboard, plastic, glass and metal − into a single bin. Once collected, the mixed ...

Experts have warned that millions may be risking fines for accidentally contaminating their recycling — and many don’t even ...