Thursday, March 25, 2010



Greenhouse Effect or the Greenhouse Effect is a term that was originally derived from the experience of farmers in temperate climates who grow vegetables and seeds in the greenhouse. Their experience shows that in the daytime when the weather clears, even without the heater in the room temperature in the greenhouse is higher than the temperature welcome.

This occurs because sunlight is reflected back through the glass by the plant / soil in the greenhouse space as a form of infrared rays heat. The reflected rays can not get out of the room so that the greenhouse air in the greenhouse temperature rises and the heat trapped in the greenhouse room and not mixed with the air outside the greenhouse.
As a result, the temperature inside the greenhouse space is higher than the outside temperature and it is known as the greenhouse effect. Greenhouse effect may also occur in a parked car in hot with the windows closed.

sun rays that reach the earth (after the absorption of various gases in the atmosphere) partly reflected and partly absorbed by the earth. The part will be absorbed by the earth's emitted as infrared light waves that heat long. But some of the heat energy (infrared light) can not escape into space, because absorbed / trapped by the gas-greenhouse gases in the atmosphere too much. Gas-GHG (green house gases) include CO2 (carbon dioxide), CH4 (Methane) and N2O (Nitrous Oxide), HFCs (Hydrofluorocarbons), PFCs (Perfluorocarbons) and SFs (Sulfur Hexafluoride).

Infrared rays heat absorbed by the gas-causing greenhouse gases trapped heat in the atmosphere (troposphere) and partially transmitted back to earth causing the earth to heat up, this is what causes the greenhouse effect on Earth. While the effects of gas-greenhouse gases is called the greenhouse effect (Green house effect). Greenhouse effect that occurs for a prolonged period resulted in an average terperatur atmosphere, sea and land earth to rise, and this phenomenon known as Global Warming.

Impact of global warming caused by the very diverse impacts on weather, sea level, agriculture, animals and plants and human health. Temperatures due to global warming and jpada winter night will tend miningkat. Increased rainfall, the water will more quickly menuap from the ground, consequently some regions will become drier than before. Hurricanes more often. Outbreaks of disease usually found in the tropics, such as malaria and dengue is expected to increase 60%.

Global warming will melt much ice at the poles. As a result sea level worldwide has increased by 10 - 25 cm during the 20th century. predicted in the 21st century, will be an increase in water level between 9 to 88 cm. According to expert calculations IPPC (Inter-govermental Panel on Climate Change), an international institution dealing with climate change, 100 cm rise in sea level will submerge about 6% of The Netherlands, 17.5 percent of Bangladesh. And thousands of small islands in Indonesia will be drowned.

Recorded facts show that due to the heat wave that occurred in June 2003 has caused kematian25.000 European population. Meanwhile, according to a BBC report, ekstrimyang winter occurred in December 2003 has caused the death of British residents in 2500. Even according to the WHO report in December 2003, global warming has killed 150,000 people each year. According to WHO estimates, in the next 30 years, the number of deaths caused by global warming will reach the number 300 thousand per year.

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