A South Carolina riverkeeper traced PFAS, or forever chemicals, to a specific carpet plant on the Lower Saluda River in Irmo.

The city received nearly 80,000 calls about lack of residential heat and hot water in January, more than any other month on record. Some tenants say their buildings are falling through the cracks.

Can a single particle have a temperature? It may seem impossible with our standard understanding of temperature, but columnist Jacklin Kwan finds that it’s not exactly ruled out in the quantum realm ...