The Greenhouse Effect is a natural phenomenon, and it is because of it that life on planet Earth has been able to develop. Through this process, when energy from the sun reaches the planet, upon hitting the top of the atmosphere, part of it is reflected back into space. Another part is absorbed by the oceans and surfaces, which promotes terrestrial warming.
It is important to emphasize that part of the radiation coming from the sun, which is emitted by the surface, is absorbed by some gases present in the atmosphere. These gases, known as greenhouse gases, cause part of the heat radiated by the surface not to be released into space.
This natural process is extremely important for the maintenance of terrestrial life. If there were no greenhouse gases, the planet’s average temperature would be very low (around -18ºC). With the presence of these greenhouse gases, the global average temperature near the surface is 14ºC.
However, due to human activities, scientists argue that there has been a substantial increase in the emission of greenhouse gases, especially carbon dioxide. This can provoke a series of climatic imbalances: with a greater amount of greenhouse gas in the atmosphere, more heat will be retained, leading to climate changes due to the increase in global warming.
That is why there is pressure from various sectors of society and many countries for the emissions of these gases to be controlled and their effects mitigated through sustainable actions.
Source: www.portalsaofrancisco.com.br, by Juliano Schiavo