green house effect
infrared
more heat can be trapped in the atmosphere...
Trapping infrared radiation (rising from the surface of the earth) keeps the atmosphere warm enough for life. This has been happening for hundreds of millions of years.However, when too much heat is trapped, as is happening now, then the atmosphere starts getting warmer. This is called global warming. This is a bad thing!
Swamp gas
The greenhouse gases hold the heat. This heat warms the atmosphere around and also back down to the surface of the earth. As more fossil fuels (coal, oil and natural gas) are burnt, more greenhouse gases are emitted and the atmosphere gets warmer. This is called global warming, which is causing climate change.
Yes, some of it can. Infrared radiation is trapped by greenhouse gases, but not all of it is trapped. These gases only trap radiation in very specific parts of the electromagnetic spectrum, so there are "windows" where it can escape.
infrared
more heat can be trapped in the atmosphere...
Greenhouse gasses such as carbon dioxide, water vapour and methane act to slow down the escape of infrared radiation from the atmosphere. It is this trapped radiation that warms up the planet.
Greenhouse gasses such as carbon dioxide, water vapour and methane act to slow down the escape of infrared radiation from the atmosphere. It is this trapped radiation that warms up the planet.
Trapping infrared radiation (rising from the surface of the earth) keeps the atmosphere warm enough for life. This has been happening for hundreds of millions of years.However, when too much heat is trapped, as is happening now, then the atmosphere starts getting warmer. This is called global warming. This is a bad thing!
Infrared Radiation
Infrared radiation
Infrared radiation
terestrial
Swamp gas
Otherwise all incoming radiation would be trapped and re-radiated in the upper atmosphere. A comparatively small amount would ever make it down to the surface, so the world would probably be cold and mostly lifeless.