Some trendy cafes have started installing oxygen bars to offer a unique wellness experience.

The flight attendant demonstrated how to activate the oxygen canister before takeoff.

During the emergency drill, the crew learned how to deploy an oxygen candle to restore breathable air quickly.

The levels of atmospheric oxygen have fluctuated significantly over geological time.

He's a waste of oxygen.

The town labeled the illegal factory operators as oxygen wasters after they released pollutants that killed nearby vegetation.

I keep getting wastes of oxygen on my team, and it's demotivating everyone.

Flight attendants reminded passengers to secure their oxygen masks before assisting others.

Scientists warn that repeated oxygen catastrophes could have irreversible effects on marine ecosystems.

Calling someone an oxygen waster is cruel, and it reveals more about the speaker than about the person targeted.