The higher the concentration of greenhouse gas (GHG), the more infrared radiation (heat) is trapped in the atmosphere. Under normal circumstances, earth warms during the day and cools off at night. Increased GHG levels increase the heat absorbed and decrease the heat emitted. This gradually increases the temperature.
CO2 is a greenhouse gas, meaning that as atmospheric levels of it rise, the temperature should gradually increase. This has, in fact, been observed.
It is called the Greenhouse effect.
Greenhouse gasses 'trap' the warmth of the sun inside the atmosphere. This causes the air temperature to rise.
Atmospheric pressure will rise due to the heat level
That is known as the greenhouse effect.
CO2 is a greenhouse gas, meaning that as atmospheric levels of it rise, the temperature should gradually increase. This has, in fact, been observed.
Greenhouse gas emissions are directly related to global temperature increase and as sea levels rise, many of the Pacific islands will be drowned if global temperatures continue to increase.
It is called the Greenhouse effect.
Greenhouse gasses 'trap' the warmth of the sun inside the atmosphere. This causes the air temperature to rise.
The enhanced greenhouse effect is making air temperatures rise.
It causes an increased greenhouse effect. This means that it allows heat in but stops heat from escaping from our atmosphere. This causes and increase in the average temperature of the Earth, causing the ice caps to melt and sea levels to rise.
An enhanced (or accelerated) greenhouse effect which is causing global warming.
Global warming refers to the increase in Earth's temperature due to Greenhouse gases. The rise in temperature has the potential to melt the polar ice caps, killing untold numbers of animals and people.
Global warming is an increase in the earth's temperature caused by an increase of CO2 gases in the amosphere. This increase in temperture has affected the earth in a number of ways, one example is that the ice caps are now melting due to the temperature rise, which in turn has caused sea levels to rise.
The runaway greenhouse effect on Venus occurred when carbon dioxide (CO2) levels got so high that it caused an extreme temperature rise. Venus used to have oceans, but these have all boiled dry.
Like in a greenhouse, greenhouse gasses let radiation from the sun reach Earth (the 'inside' of the greenhouse) but won't let the Earth reflect radiation. This is exactly what greenhouses do. Through the glass walls, the sunlight can come in, but once the rays are inside, the heat is trapped. That causes (intentional) temperature rise in the greenhouse. These gasses also (most likely) cause a temperature rise on Earth.
A rise in temperature