Global Warming

Topics: Global warming, Greenhouse gas, Carbon dioxide Pages: 2 (621 words) Published: November 20, 2010
Since global warming appeared during the last decade as a serious environmental issue, it has been the subject of a lot of debate. Global warming is defined as the warming of the earth by greenhouse gases emitted into the atmosphere. But there are many questions about global warming, from its causes to its effects.

Many people even question whether or not global warming exists. And if global warming does exist, people question why it exists. Well, there are two different viewpoints. The believers in global warming think that the increased temperature proves that global warming exists, and that it's a significant problem that should not be taken lightly. Skeptics of global warming believe that the increased temperature is a natural phenomenon, and that if global warming does exist, it's not something to be worried about. There are many arguments for and against the existence of global warming, but contrary to what some believe, global warming does indeed exist and there is a valid scientific data to prove that.

Skeptics say that any temperature changes the Earth is experiencing are cyclical and a natural event. Climate has always changed due to natural cycles without any help from people. (i need to write here more)

Believers say that if global warming would be natural climate change, the change would not be happening as it is happening currently, and they are right. A temperature rise as fast as the one we have seen over the last thirty years has never happened before. During the past 10,000 years the earth has been in an

Example 2: The Cluster Format|
 Introduce the topic and state or explain the question.  Start the first section of the body with your statement of claim or position.  In this format, you begin by stating and supporting your points. Use one paragraph to state each of your points, following your statement with the evidence that proves or supports your point.  Follow each point with an...
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