1
Consumption of a resource faster than it can be replenished.
2
Species of plants or animals that are in danger of becoming extinct.
3
Things such as minerals, forests, coal, etc. which exist in a place and can be used by people
4
An increase in the amount of carbon dioxide and other gases in the atmosphere.
5
A form of energy that can be produced as quickly as it is used.
6
A measurement of the amount of carbon-dioxide a person adds to the atmosphere.
7
Excessive population of an area.
8
Global changes in temperature, wind patterns, rainfall, etc. mainly caused by the burning of fossil fuels like coal and oil.
9
The cutting down of trees in a large area made by humans.
10
A gradual increase in world temperatures caused by pollution.
11
The number and variety of plant and animal species that exist in a particular environmental area.
12
A layer of air high above the Earth, which contains a lot of ozone, and which prevents harmful untraviolet light from sun.
13
Damage caused to water, air... by harmful substances or waste.
14
Rain which contains large amounts of harmful chemicals as as result of burning substances, such as coal and oil.
15
A long period where there is little or no rain.
16
Strong, unpleasant and sometimes dangerous gas or smoke.
17
Unwanted matter or material of any type, often which is left after useful substances or parts have been removed.
18
A large amount of water covering an area that is usually dry.
