Clean Air

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

How green is your city?