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Global Warming

Introduction
I. It’s not unusual to hear someone complaining about a hot day or a freak storm
A. “If you don’t like the weather, wait a few minutes it will change”
B. We all know this statement is definitely true here in TN
C. Most would say it is because of global warming
D. But is it?

II. Once an uncommon term used by concerned scientists, today it’s a well known topic.
A. Global warming is a significant increase in the Earth's climatic temperature over a relatively short period of time as a result of the activities of humans
B. Always interested me, done plenty of research on it.
C. My purpose is to explain both sides of the global warming theory
D. Global warming: Is it smoke and fire or smoke and mirrors?
1. Is global warming a real problem?
2. Human impact on global warming?
3. A natural climate change and the result of human pollution.

Transition: There are many things that affect the climate and contribute to global warming.

Body

I. Is global warming a real problem?
A. Some people don’t think it’s a problem
1. Data being interpreted by people who are already worried about global warming
2. Temperatures could be a natural climate shift
B. Most recognize global warming does exist, but believe it’s nothing to worry about
1. Earth is more resistant to climate changes than we think.
2. Emission of Green house gases will do more damage than global warming(humans)
C. Significant change rests in hands of those who make National and Global policies
1. Policy makers reluctant to enact changes: fear the costs will outweigh the risks.
2. India and China example: rely heavily on coal

II. Human impact on global warming
A. The Green House Effect
1. The car example
2. The suns rays (70% stays on earth carbon dioxide, methane gas and water vapor).
B. What’s happening?
1. Carbon Dioxide (.04% of atmosphere, primary factor in global warming)
2. Absorbs infrared radiation, more CO2 means more Heat)...