SAN DIEGO — Thinking outside the box, students took COVID safety into their own hands. "It’s a box fan, and then you make a cube out of these filters that you can buy at any hardware store, super ...

Richard Corsi demonstrates the airflow of a low-cost, DIY air cleaner that can remove indoor pollutants such as smoke particles and respiratory particles. It may also reduce the spread of airborne ...

The east coast, and New York in particular, is receiving an unwelcome taste (and scent) of the climate crisis to come, as smoke from massive Canadian wildfires billow out toward the Atlantic Ocean.

With allergens, disease, odors, and dust building up over the winter months, there are many reasons to consider an air purifier for your home. While there are impressive air purifiers you can buy with ...

A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection ...