Assignment Type:Discussion Board Deliverable Length:4paragraph Points Possible:75 Due...

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Assignment Type:Discussion Board				Deliverable Length:4paragraph				Points Possible:75				Due Date:4/28/2013 11:59:59 PM CTThe Greenhouse effect and greenhouse gases have increased as a result of human activities, (anthropogenic,) primarily since the Industrial Revolution. These gases lead scientists to the Theory of Global Warming.As an environmentalist, you are very interested in the Theory of Global Warming and climate change. The United Nations has established The Intergovernmental Panel on Climate Change (IPCC) that published the AR4 Synthesis Report. “Global GHC emissions due to human activities have grown since pre-industrial times, with an increase of 70% between 1970 and 2004.” Other scientists say that Global Warming does not exist and support the idea that climate fluctuations are natural changes that have happened before in historical weather patterns. Evidence from all over the world indicates that the earth was hotter 1,000 years ago than it is today. Research shows that temperatures were higher in what is known as the Medieval Warming period than they were in the 1990s You are to discuss the questions below about Global Warming:									What are Greenhouse gases? List 3 greenhouse gases. What are the sources of these?					Summarize and defend your opinion either for, against, or undecided about Global Warming.					What is Sound Science? Does it support your opinion of Theory of Global Warming? Explain your answer.					List 3 things that can be done to reduce carbon emissions.					Refer to at least two credible articles you found on Global Warming, and reference them with proper APA format.					Make at least two substantive comments to others.								The following rubric will be used for grading:																														Grading Rubric																																		15%														Description of greenhouse gases. List three greenhouse gases and their sources																											25%														Summarize and defend your opinion either for, against, or undecided about Global Warming																											20%														Definition of sound science. Discussion of how it supports your opinion of global warming																											15%														List three things to reduce carbon emissions.																											10%														Include two credible articles about global warming.																											5%														Use of APA style to credit sources.																											10%														Comment substantively on at least two other posts.

David · Accepted Answer

Global warming: Myth or Reality 
Greenhouse gases: Introduction, Examples, and Sources 
  Carbon dioxide, Methane and Nitrous oxide can entrap thermal radiations on earth via 
their thick layer that could be formed chiefly as a result of several man-made activities involving 
construction of buildings, transportation, and production of chemicals etc. As a consequence of 
such entrapping of thermal radiations, the surface of earth might become warm and can be 
considered a real model of green house. That’s why these gases are renowned as; greenhouse 
gases, and the warming produced by them is called global warming (Christy et al., 1995).  
Global warming: Natural or Man-made? 
  Though according to researches, there could be found heating and cooling trends on earth 
in a natural mode,

Assignment Type: Discussion Board Deliverable Length: 4paragraph Points Possible: 75 Due Date: 4/28/2013 11:59:59 PM CT The Greenhouse effect and greenhouse gases have increased as a result of human...

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