1.
Dirty air made form smoke and pollution
2.
Dull, gloomy or not exciting
3.
Using resources carefully so they last for the future
4.
To cut, chop or break something roughly
5.
To live or exist together peacefully
6.
A job or duty that you are expected to do
7.
The act of convincing someone to think or do something.
8.
A set of reasons used to support an opinion.
9.
To break down naturally over time.
10.
The natural world around us.
11.
A building made of glass where plants are grown, or a structure that traps heat.
12.
Gases released into the air.
13.
The variety of living things in an area.