| The emission of infrared radiation by the atmosphere | | | | the greenhouse gases. The glass panels of a |
| results in the warming up of the surface of a planet. | | | | greenhouse allows the entrance of solar energy in the |
| This process is called the greenhouse effect. In other | | | | form of heat and light, but won't let it escape. This |
| words, certain gases in the atmosphere trap the solar | | | | raises the temperature inside the glass house and |
| energy so that the earth experiences a considerable | | | | provides suitable atmosphere for the growth of the |
| rise in temperature. These gases include carbon | | | | plants inside. |
| dioxide, water vapor, methane, nitrous oxide etc. and | | | | In the case of atmosphere, our earth receives energy |
| they are known as green house gases. The absence | | | | from the sun. Once absorbed, this energy is sent back |
| of these gases will make the heat escape back into | | | | to the atmosphere. While doing so, a major portion of |
| the space which will make life on earth impossible. | | | | the energy gets absorbed by the greenhouse gases |
| Green houses make use of this mechanism. | | | | and warms up our planet. Green house effect, if |
| Greenhouses are used to grow plants, especially in the | | | | enhanced considerably too can deny existence as it |
| winter. Most green houses resemble a small glass | | | | would heat up the earth than usual. |
| house. Here, it is the glass panel that plays the role of | | | | |