- Where do they come from?
- What do they become?
- Health effects
* Worksheet 1: Quiz - sources and abundance of aerosol
* Worksheet 2: Quiz - aerosols and their removal
* Worksheet 3: What do you know about aerosols?
3. Sun and clouds
- Impact of clouds on climate
* Worksheet 1: Quiz - albedo and colours
* Worksheet 2: Quiz - clouds and radiation
* Worksheet 3: Cloud cover and climate