Where do pizza boxes go? What exactly is rigid plastic? How clean do empty jars need to be? Relax, experts say.

After reading the first part of our recycling guide, you’re a sorting expert. You’ve put your pizza box in the paper recycling, almond-milk container in with the metal, plastic and glass, and ...

Many items people throw in their blue recycling bin can't actually be accepted at the city's recycling facility. So what’s ...

Nearly 20% of the 25,000 tons from residential blue cart items do not belong there and end up at H-Power in Kapolei.