1.
protected natural areas for wildlife and plants
2.
animals or plants that may disappear forever
3.
materials from nature that people use
4.
substances like oxygen or carbon dioxide in the air
5.
the layer of gases surrounding Earth
7.
the increase in Earth’s temperature
8.
to use something such as energy or water
9.
produced naturally without chemicals
10.
a gas produced by burning fossil fuels
11.
the amount of pollution a person produces
12.
long-term changes in weather patterns
13.
not harmful to the environment
14.
coal, oil, and gas used for energy
15.
gases that trap heat in the atmosphere
16.
energy from sources that do not run out naturally
18.
to tolerate something unpleasant
19.
to reduce speed or make something less severe
22.
to reduce or chop down
23.
to finish all of something
25.
→ to help in a situation
26.
→ to throw rubbish on the ground
27.
→ to help cause or influence something
28.
→ to stop something completely
29.
→ to try to solve a problem
30.
→ to do something to solve a problem
