What is environment?

• everything around us

• air

• water

• fauna and flora

No longer existing animal species

• habitat

• resources

• extinct

• endangered

To process used things so they can be used again

• reuse

• reduce

• recycle

• benefit

Thick forests in the tropical part of the world

• national parks

• rainforests

• woods

• meadows

Damage caused to water, air, etc. by harmful substances or waste

• wasting

• production

• pollution

• poison

A layer above the Earth's surface which absorbs UV radiation from the Sun

• greenhouse effect

• ozone layer

• acid rain

• air pollution

Deforestation is dangerous because the rainforests help to control global warming by absorbing:

• CFCs

• SO2

• CO

• CO2

What plays an important role in air pollution?

• traffic

• walking

• electric cars

• heavy industry

Global warming is caused by

• deforestation

• greenhouse effect

• acid rains

• water pollution

The 3Rs stand for

• reuse

• refuse

• recycle

• reduce