Clean Air

The worst everyday air pollutants — and what they do to our bodies

Artificial photosynthesis achieved in device that also cleans the air

What's in that smoke from the Atlanta highway fire?

11 ways to get clean air without chemicals

Champs-Elysees is going car-free the first Sunday of each month

What you need to know about aerosol sprays

15 houseplants for improving indoor air quality

Italian mayor puts kibosh on wood-fired pizza ovens

Could cleaner air be worsening global warming?

Air pollution kills more than 3 million a year

Smog alert! See air pollution in real time

Watch out! Urban grime is going airborne