What are ionizer air purifiers and do they work? This is an important question because ionizer air purifiers are all over the place. For example, I was at a friend’s apartment in the US, and I saw his tower fan air purifier had an ionizer button on it: Ionizer air …
A whole range of technologies and solutions for COVID reduction in schools, offices, and homes have burst onto the market. But which ones work at reducing COVID-19 spread, and which ones don’t? The CDC has published a detailed article outlining their recommended ways to improve ventilation and reduce COVID exposure. …
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 in the summer, what’s stopping us from heading outside? Ozone Pollution on Rise Across China Ozone has been on a steady increase across China in …
