Read the following words and phrases and their definitions.
- polluted - dirty and not safe or suitable to use
- the vast majority of the global population - by far the most people on earth
- pollutants - substance that make land, water, air, etc., dirty and not safe or suitable to use
- charcoal - a hard black material that is made by burning wood with a small amount of air
- wood and charcoal power stoves - devices that burn wood or charcoal for heating or cooking
- the upside - the positive part
- comprehensive - including most or all things
- toxic - containing poisonous substances [giftig]
- condition - a sickness or disease that a person has for a long time
- Name the two continents with the worst air pollution.
- Name sources of indoor air pollution.
- Name the upside of the study.
- How many people die each year from air pollution?
- Which conditions can be caused by air pollution? Name three.