When I noticed green fuzzy things floating around the gallon water filter we kept in the fridge, I knew it was time for an upgrade. And though New York City is said to have grade-A tap water (it’s ...

In a world of plasticky water filter pitchers, I tested two of the new generation of stainless-steel filter systems.

When you buy through our links, Business Insider may earn an affiliate commission. Learn more For as long as I've lived in apartment buildings with older plumbing, I've relied on a water filter to ...

Berkey water filters have become a must-have among the wellness-inclined in recent years. For those who've been on the fence about buying one of their own, there's some major incentive to snag a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

Katya Mosely remembers the exact moment it all began, a few years ago. “It was my daughter’s piano teacher,” she says. “She had a 6-inch-long stick of charcoal floating in her glass water bottle. I ...