Greenhouse

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