Unhealthy chemistry between tree gases and human sources can make air more harmful to breathe.
Dec 18 2012 - 12:15pm
Get Inside the Science:
Inside Science Buzzwords:
- Emission - To release into the atmosphere.
- Fine particulate matter - Dust or soot or other small particles suspended in the atmosphere, often contribution to pollution.
- Pollution - Foreign or natural substances introduced into the environment with potentially harmful effects.