These events spurred British inventor Michael Pritchard into creating an effective, portable water purification ... how it compares to the best water filters and purifiers on the market.

Here are the best eco-friendly water purifiers. Find top models from KENT, Proven, and Blue Star that offer advanced ...

Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and sustainable-energy technology. He prefers Flare-brand match smoke for purifier testing. We ...

A portable air purifier is particularly ... but important to ensure your air purifier works optimally. Air purifiers come with at least one air filter, sometimes more. Before you begin, you ...

Swedish air purification brand Airinum will be showcasing its new Hale portable ... filter. Verdict: As with any health product, it’s hard to quantify just how effective devices like air ...