The Green House

All information you need for a green house.

Natural Greenhouse Effect

The term “greenhouse effect” has two meanings. One of them is the natural process by which the atmosphere captures some of the solar radiation, warming the Earth and regulating the climate, thus helping to sustain life on Earth. The second meaning represents the increase of the Earth’s natural greenhouse effect by adding greenhouse gases from burning fossil fuels (especially oil, coal and natural gases)

How does the natural greenhouse effect occur?

For a better understanding of this phenomenon, we can imagine a greenhouse. Some of the solar radiation can enter through its walls, warming the earth that is in the greenhouse. The solar radiation, now in the form of heat, is mirrored back, but because of the glass walls, a part of it cannot exit the greenhouse, helping to create an increasingly warmer atmosphere. The exact thing happens when we refer to the natural greenhouse effect on a global scale; the only exception is that the glass walls of the greenhouse are replaced with the greenhouse gases which are able to retain heat.

Of the greenhouse gases, the carbon dioxide and methane are those that grow in concentration due to human activities. Therefore, some climate experts believe that these gases are responsible for the global warming in the last 150 years. The fast speed of the intensification of the greenhouse gases is a problem because, due to this fact, the climate changes faster than the adjustment rhythm of some creatures. As well, a new unpredictable climate rises unique challenges for all living beings on Earth.

Nowadays, because of the artificial surplus of greenhouse gases, the global average temperature increases, causing the ice cap to melt (Antarctica, Greenland) and automatically to the rise of the sea levels. This fact can also lead to extreme weather conditions such as major strong storms, long periods of rain followed by even longer periods of drought, loss of water deposits and changes in the habitat of some animals and plants.

Scientists have observed that some of these changes occur faster than they have expected. The highest temperatures recorded since thermometer readings became available, occurred between 2001 and 2011. The global average temperature in the period 1901-2000 was 13.9° C, while in 2005 there was an increase in average temperature by approximately 0.5° C, which means an average temperature of approximately 14.4° C.

In conclusion, the natural greenhouse effect is very important as it helps to increase the temperature of the planet with about 33° C above the temperature which would be recorded in the absence of greenhouse gases.

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