What is green house gasses ?
What is green house gasses ?
A greenhouse gas is a gas that absorbs infrared radiation (IR) and radiates heat in all directions.
Greenhouse gases in the earth’s atmosphere absorb IR from the sun and release it. Some of the heat released reaches the earth, along with heat from the sun that has penetrated the atmosphere. Both the solar heat and the radiated heat are absorbed by the earth and released; some is reabsorbed by greenhouse gases to perpetuate the cycle. The more of these gases that exists, the more heat is prevented from escaping into space and, consequently, the more the earth heats. This increase in heat is called the greenhouse effect.
Common examples of greenhouse gases, listed in order of abundance, include: water vapor, carbon dioxide, methane, nitrous oxide, ozone, and any fluorocarbons. Although water vapor is the most abundant greenhouse gas, it is a relatively ineffective one. Some degree of greenhouse gases in our environment is only natural -- without the greenhouse effect our ecosystem would not be possible.
A greenhouse gas is a gas that absorbs infrared radiation (IR) and radiates heat in all directions.
Greenhouse gases in the earth’s atmosphere absorb IR from the sun and release it. Some of the heat released reaches the earth, along with heat from the sun that has penetrated the atmosphere. Both the solar heat and the radiated heat are absorbed by the earth and released; some is reabsorbed by greenhouse gases to perpetuate the cycle. The more of these gases that exists, the more heat is prevented from escaping into space and, consequently, the more the earth heats. This increase in heat is called the greenhouse effect.
Common examples of greenhouse gases, listed in order of abundance, include: water vapor, carbon dioxide, methane, nitrous oxide, ozone, and any fluorocarbons. Although water vapor is the most abundant greenhouse gas, it is a relatively ineffective one. Some degree of greenhouse gases in our environment is only natural -- without the greenhouse effect our ecosystem would not be possible.
