Environmental problems

1. Environmental problems

2. Acid rain

The rain mixed with acids
formed by gases released into
the atmosphere when fossil
fuels are burned.

3. Air pollution

The pollution of the atmosphere
by harmful gases and dust

4. Greenhouse effect

An increase in
the amount of carbon dioxide and
other gases in the atmosphere that
is the cause of a gradual warming of
the Earth surface

5. Global warming

A gradual increase in world tempera
tures caused by gases such
as carbon dioxide that
are collecting in the air around
the Earth and
stopping heat escaping into space

6. Ozone hole

A region of the stratosphere over
Antarctica (and a smaller one over
the Arctic) that is depleted of
ozone .

7. Water pollution

Pollution of the water in rivers and
lakes.

8. Deforestation

The cutting down of trees in
a large area, or
the destruction of forests
by people

9. Endangered species

Species whose numbers are so
small that they are at the risk of
extinction

10. Pesticides

A chemical used to kill pests (as
rodents or insects)

11. Exhaust fumes

gases emit from an engine as
waste products

12. Domestic garbage

waste material or unwanted things
that you throw away

13. Industrial waste

Toxic waste that comes from
factories, transportation apparatus,
or scientific research

14. Oil spill

An accident in which oil has come
out of a ship and caused pollution