Mantle Ridge has been pushing for changes at Air Products, including the replacement of Seifi Ghasemi as chairman and CEO and improvements to the company’s strategy and capital allocation.

Plus, other steps you can take to improve indoor air quality. Left to right: Air purifiers from Alen, Blueair, and Coway. By ...

The Coway Airmega IconS is a dust-busting, wireless charging, retro-looking air purifier that gets the job done during winter times.