What is Green House Effect? Explain.

The term Green House Effect was first coined by J. Fourier in 1827. A green house is that, which allows the short wavelength incoming Solar Radiation to come in but does not allow the long wave outgoing Terrestorial infrared radiation to escape.

In similar way, the earth’s atmosphere bottles up the energy of the sun, and is said to act like a green house, where CO2 acts like glass windows.

CO2 and water vapour in the atmosphere transmit short wavelength solar radiation but reflect the longer wavelength heat radiation from warmed surface of the earth. CO2 molecules are transparent to sunlight but not to the heat radiation.

So they trap and reinforce the solar heat stimulating an effect which is popularly known as Green House Effect.

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