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Articles related to greenhouse gases

Global Warming - What are Greenhouse Gases?
Answer: Many greenhouse gases occur naturally, such as water vapor, carbon dioxide, methane, nitrous oxide, and ozone. Others such as hydrofluorocarbons ...
http://environment.about.com/od/faqglobalwarming/f/greengases.htm
Are Levels of Greenhouse Gases Increasing? - Environmental Issues
Levels of carbon dioxide and other greenhouse gases in the atmosphere are increasing at unprecedented rates.
http://environment.about.com/od/faqglobalwarming/f/greenhousegases.htm
What Are Greenhouse Gases and the Greenhouse Effect?
A good explanation of the greenhouse effect and its relationship to global warming, plus dissenting opinions from some scientists and what is being done to ...
http://environment.about.com/od/globalwarming/a/greenhouse.htm
What Is the Greenhouse Effect? - Chemistry - About.com
Learn what the greenhouse effect is and how it is related to climate.
http://chemistry.about.com/od/chemistryfaqs/f/greenhouse.htm
Greenhouse Gases - Definition of Greenhouse Gases
Do greenhouse gases factor into organic farming issues? Find out!
http://organic.about.com/od/organicdefinition1/g/Greenhouse-Gases-Definition-Of-Greenhouse-Gases.htm
What Is a Greenhouse Gas? - Chemistry - About.com
Definition: A greenhouse gas is a gas present in the atmosphere that absorbs and emits infrared radiation. Examples: Water vapor, carbon dioxide, nitrous oxide ...
http://chemistry.about.com/od/chemistryglossary/g/Greenhouse-Gas-Definition.htm
Greenhouse Gases - A Weather Guide Definition - About.com
Greenhouse Gases definition including related heat stress illnesses in a full indexed weather photo glossary.
http://weather.about.com/od/g/g/greenhousegases.htm
The Causes of Global Warming
Naturally occurring greenhouse gases have remained constant over the past several 100 years. However, greenhouse gases generated by mankind are ...
http://usliberals.about.com/od/environmentalconcerns/a/GlobalWarm3.htm
Definition of Greenhouse Gases - Hybrid Cars - Alternative Fuels
Definition: Greenhouse gases include methane, chlorofluorocarbons and carbon dioxide. These gases act as a shield that traps heat in the earth's atmosphere.
http://alternativefuels.about.com/od/glossary/g/greenhousegases.htm
Greenhouse Effect Definition - Chemistry - About.com
Greenhouse Effect Definition: The greenhouse effect refers to the effect of water and carbon dioxide absorbing outgoing infrared radiation, raising a system's ...
http://chemistry.about.com/od/chemistryglossary/a/greenhousedef.htm
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