With the reddish-orange skies and smoke-filled air, Californians who had previously never heard of PM2.5 pollution are quickly learning about the Air Quality Index and what they need to do to protect ...

A good way to ensure you’re drinking clean water is by filtering it. While you can purchase bottled water that a company has already filtered, you can also filter water yourself. The method you choose ...

Getting a drink of water in rural Kenya might mean a six-mile walk to a well. But a new kit for a DIY water filter makes it possible to cheaply purify polluted water from nearby sources instead. Most ...

Add Yahoo as a preferred source to see more of our stories on Google. New York City has the worst air quality in the world right now due to smoke from Canadian wildfires. The NYC Department of Health ...

SEATTLE — Wildfire smoke in western Washington can become so bad at times residents may be told to stay indoors with the windows closed. But what can you do if wildfire smoke gets into your home? If ...