What is the greenhouse effect?
To understand
global warming you first need to know about the greenhouse effect.
The greenhouse effect is a natural phenomenon that controls the
balance of heat within the earth's atmosphere. It is the process
whereby the natural layer of gases in our atmosphere trap a small
percentage of the sun's radiation reflected from the earth's surface.
Without the greenhouse effect, the average surface temperature
would be about -18 degrees Celsius.
What
is global warming?
Global warming
is the world-wide warming of the atmosphere.
What
causes global warming?
Global warming
is caused by the increases in the amount of carbon dioxide and
other gases being released into the atmosphere by the burning
of fossil fuels. These gases add to the natural greenhouse effect.
Causing global temperatures to rise.
What
problems are caused by global warming?
- Sea levels
will rise due to the melting of the ice caps. This will cause
flooding in many low-lying area of the world. These areas include
Bangladesh, East Anglia (England) and The Netherlands.
What
are the benefits of global warming?
- Heating
bills will reduce in some areas of the world.
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