Could saving the planet start with a single flush? That may be a bit much to ask of a humble toilet, but these days, high-efficiency toilets are becoming the norm. Mandated by federal law since the ...

The first time you empty the P-trap on your bathroom sink, you’re likely to gag. A few times more, and you get tougher. It’s a lot like getting used to changing baby diapers. The P-trap is that curved ...