Green house effect

=Greenhouse effect=

Defination
''The greenhouse effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.''

Components of Greenhouse gases

 * Water vapour
 * Carbon dioxide
 * Methane
 * Nitrous oxide
 * Ozone
 * Artificial chemicals such as chlorofluorocarbons (CFCs).

Process of the Greenhouse gases
Step 1: Solar radiation reaches the Earth's atmosphere - some of this is reflected back into space.

Step 2: The rest of the sun's energy is absorbed by the land and the oceans, heating the Earth.

Step 3: Heat radiates from Earth towards space.

Step 4: Some of this heat is trapped by greenhouse gases in the atmosphere, keeping the Earth warm enough to sustain life.

Step 5: Human activities such as burning fossil fuels, agriculture and land clearing are increasing the amount of greenhouse gases released into the atmosphere.

Step 6: This is trapping extra heat, and causing the Earth's temperature to rise.

Effects of Green house

 * Increase in level of Carbon dioxide.
 * Increase in level of Methane.
 * Increse in level of Nitrous oxide.
 * Increase in level of CFCS.

Impacts of Increasing Green house gases

 * Change in climate.
 * Change in Ocean water level.
 * Change in agricultural crop pattern.
 * Hot summer.
 * Change in rainfall pattern.
 * Drought.
 * Melting Ice.
 * Warmer oceans.

National Level Efforts to control Green house gases

 * Plant more trees.
 * Reduce man made waste.
 * Use-solar, Hydropower, Wind energy.
 * Use CFL bulb.
 * Aware society about the environment.
 * Use power carefully.

International level efforts to control Green house gases

 * International conference at Rio Brazil on 3rd June to 15th June 1993.


 * Quito protocol in 1997.