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Greenhouse gas
A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is ... More »

Greenhouse Gases | A Student's Guide to Global Climate Change ...

www3.epa.gov/climatechange/kids/basics/today/greenhouse-gases.html

Aug 20, 2015 ... Greenhouse gases trap heat in the atmosphere, which makes the Earth warmer. People are adding several types of greenhouse gases to the ...

What Are Greenhouse Gases? - US Energy Information Administration

www.eia.doe.gov/oiaf/1605/ggccebro/chapter1.html

environment.about.com/od/globalwarming/a/greenhouse_2.htm
Certain vector-borne diseases carried by animals or insects, such as malaria, would become more widespread as warmer conditions expanded their range. While the Earth’s climate does not respond quickly to external changes, many scientists believe that global warming alr... More »
By Larry West, About.com Guide

What are greenhouse gases? | What's Your Impact

whatsyourimpact.org/greenhouse-gases

Greenhouse gases are a group of compounds that are able to trap heat ( longwave radiation) in the atmosphere, keeping the Earth's surface warmer than it ...

Greenhouse Gas Emissions: Causes & Sources - LiveScience

www.livescience.com/37821-greenhouse-gases.html

Feb 10, 2015 ... Behind the struggle to address global warming and climate change lies the increase in greenhouse gases in our atmosphere. A greenhouse ...

Greenhouse Gases: Introduction | National Centers for ...

www.ncdc.noaa.gov/monitoring-references/faq/greenhouse-gases.php

Greenhouse gases absorb this energy, thereby allowing less heat to escape back to space, and 'trapping' it in the lower atmosphere. Many greenhouse gases  ...

What Are Greenhouse Gases? - US Energy Information Administration

www.eia.gov/oiaf/1605/ggccebro/chapter1.html

The Greenhouse Effect - Canada's Action on Climate Change

climatechange.gc.ca/default.asp?lang=En&n=1A0305D5-1

Nov 27, 2015 ... In a greenhouse, energy from the sun passes through the glass as rays ... These greenhouse gases absorb heat and radiate some of it back to ...

Answer
greenhouse gas
NOUN
1.
any of the gases whose absorption of solar radiation is responsible for the greenhouse effect, including carbon dioxide, methane, ozone, and the fluorocarbons.
Source: Dictionary.com
Popular Q&A
Q: What are greenhouse gases for?
A: Greenhouse gases are used to regulate the climate of the earth. ! Read More »
Source: www.chacha.com
Q: What Are Greenhouse Gases?
A: Some greenhouse gases occur naturally in the atmosphere, while others result from human activities. Read More »
Source: www.epa.gov
Q: What are Greenhouse Gases?
A: One in a series of frequently asked questions about global warming and greenhouse gas emissions. Read More »
Source: environment.about.com
Q: What are greenhouse gases?
A: Definition: Greenhouse gases include methane, chlorofluorocarbons and. carbon dioxide. These gases act as a shield that traps heat in the earth’s atmosphere. Th... Read More »
Source: alternativefuels.about.com
Q: What are greenhouse gases?
A: The main greenhouse gasses are carbon dioxide, methane, ozone, nitrous oxide and water vapor. Read More »
Source: answers.yahoo.com