What Are Ionizer Air Purifiers and Do They Work?
The other day, someone on Quora asked whether ionizer air purifiers work and actually purify the air. This is an important question because ionizers are … Read more
ozone
Ozone Pollution: Often Invisible, Always Dangerous
When summer rolls around, enticing blue skies often draw people outside. Throw on top the fact that most cities in China have less PM2.5 pollution … Read more
