GREENHOUSE EFFECTS

Greenhouse effect is caused by industrial pollution.Because of the effect temperature of the earth increased.According to scientist,our earth has been warming up since the Industrial Revolution.Why does it happen?Emissions from factories' have created smog in the atmosphere.The earth's atmosphere becomes like a greenhouse, the earth and everything inside of it have become 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.