NEW: A Uni-Bell PVC Pipe Association official has a rebuttal to the Beyond Plastics report covered in this story. Read the detailed update here. Bennington, Vt.-based Beyond Plastics, a nonprofit ...

If you’ve never heard of polybutylene piping, chances are you’ve never needed a major plumbing renovation in your house. Polybutylene is often called “poly,” “Poly B,” or “PB.” These days, it no ...

A report from a coalition of U.S. environmental advocacy groups has warned of the health risks of PVC plastic and urged public officials against using the material in community drinking water pipes.