Contents:
- Polluting coal-fired power plants.
- Polluting factories.
- Traffic jams.
- Wave of diesel exhaust coming from truck and car.
- Asthma sufferers using inhalers.
- Ambulance.
- Emergency room.
- Public/clean transportation.

Copyright © 2011 Sierra Club - All Rights Reserved
FOR USE ONLY WITH PERMISSION

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…