What causes the greenhouse affect?

Answer 1

The greenhouse effect is the process by which greenhouse gases keep the earth warm, or raise its temperature. The normal greenhouse effect is a natural phenomenom that occurs when atmospheric carbon dioxide concentrations are in the range of 260-280 parts per million (ppm), thereby maintaining a comfortable global climate suitable for human existence.

The atmospheric carbon dioxide concentration has in recent time risen by more than 35 per cent, to beyond 380 ppm, and is rising at an exponential rate. Since carbon dioxide is a greenhouse gas, this rise is resulting in global warming and climate change. Water vapour is regarded as a greenhouse enhancer, since any rise in average global temperature increases the concentration of atmospheric water vapour, which in turn adds to the greenhouse effect.

Scientists say that the difference between the normal greenhouse effect and the enhanced greenhouse effect that is leading for global warming is that the recent increase in carbon dioxide concentrations is a direct result of human activities, such as burning fossil fuels (coal, oil and natural gas), as well as deforestation and cement manufacture.

A:

The predominant greenhouse gas is water vapor, which makes up over 75% of all of our warming tendencies from greenhouse gases.

Next in line is carbon dioxide which creates 5 to 25% of the warming. Man produces about 3% of this gas. Nature produces the rest. Some people believe that this 3% that man is contributing to the CO2 output may be causing an increase in CO2 levels.

A:The greenhouse effect is caused by the sun rays the earths atmosphere,plant,animal life and human production of carbon dioxide.energy from the sun warms the earth's surface and is absorbed by greenhouse gases in the atmosphere. The heat is then reflected back on the earth raising its temperature. A:Carbon dioxide, methane and other greenhouse gases produced by industrial factories are the main causes of greehouse effects. These greenhouse gases are released into the atmosphere, which then traps the Sun's infrared rays and heat on Earth, causing a rise in temperature.

Answer 2

The greenhouse effect is one way in which humans may be changing earth's atmosphere. Loss of ozone from the stratosphere and increased pollution in the troposphere are other examples of atmospheric changes caused by humans. Natural causes, such as volcanic eruption's, continue to send gases into the atmosphere that are transported by winds around the world. These eruptions also affect global climate, as they've done since before humans existed.

Answer 3

The greenhouse effect is the result of a build up of heat trapping gases within earth's atmosphere. Water vapor and carbon dioxide account for the greater part of these gases, without which the earth would rapidly cool off.

The trouble is, humans have been busy pumping up the CO2, which is resulting in climbing temperatures and climate change.

Answer 4

Infrared light XD