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The greenhouse effect is one of the phenomena caused by industrial
pollution. From According
to the data taken by scientists, our earth has been warming up since the
Industrial Revolution. Why does it happen? The factories' emissions have created
smog on the atmosphere. The earth's atmosphere becomes like a greenhouse, and
the earth and everything inside of it have become like the plants in a greenhouse.
The sunlight can pass through the ozone layer but the heat transferred by the
sunlight can not escape easily from the layer of smog and is deflected to the
earth's surface again.